In 1992 standard desktop was still 386 + 4MB, with highend 486 + 8MB. 1MB SIMM was $30-50. 4MB $150 January 1992, dropping to $100 in December 1992, and back to $130 in December 1994.
Afaik 72 pin simms were first introduced in 1989 IBM PS/2 (55SX? proprietary variant) and later around 1993 in clones. You could run 1,2,3 or 4 simms of any size independently. In December 1994 2MB 72pin Simm was $80, 4MB $150, 8MB $300, 16MB $560. 32MB $1200, 64MB $2800.
486DX2-66 itself was ~$300, + $100 VLB motherboard meanwhile $1100 got you Pentium 90MHz with PCI motherboard. In December 1994 for the price of 486 with 32MB ram ($1600) you could have bought P90 with 16MB ($1660).