Finding the Fourth Proportional to 81,706.17, 122,502.14 and 41,737.53
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Solution
The fourth proportional to 81,706.17, 122,502.14 and 41,737.53 is: 62,577.12
Step by Step Solution
- Step 1: Write the proportion equation
81,706.17 : 122,502.14 = 41,737.53 : x - Step 2: Convert to fraction form
81,706.17/122,502.14 = 41,737.53/x - Step 3: Cross multiply
81,706.17x = 122,502.14 × 41,737.53 - Step 4: Simplify right side
81,706.17x = 5,112,936,743.31 - Step 5: Solve for x
x = 5,112,936,743.31/81,706.17 - Step 6: Final answer
x = 62,577.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.