Finding the Fourth Proportional to 124,627.68, 171,985.68 and 68,038.92
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Solution
The fourth proportional to 124,627.68, 171,985.68 and 68,038.92 is: 93,893.43
Step by Step Solution
- Step 1: Write the proportion equation
124,627.68 : 171,985.68 = 68,038.92 : x - Step 2: Convert to fraction form
124,627.68/171,985.68 = 68,038.92/x - Step 3: Cross multiply
124,627.68x = 171,985.68 × 68,038.92 - Step 4: Simplify right side
124,627.68x = 11,701,719,922.67 - Step 5: Solve for x
x = 11,701,719,922.67/124,627.68 - Step 6: Final answer
x = 93,893.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.