Finding the Fourth Proportional to 87,869.26, 131,812.76 and 24,689.53
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Solution
The fourth proportional to 87,869.26, 131,812.76 and 24,689.53 is: 37,036.79
Step by Step Solution
- Step 1: Write the proportion equation
87,869.26 : 131,812.76 = 24,689.53 : x - Step 2: Convert to fraction form
87,869.26/131,812.76 = 24,689.53/x - Step 3: Cross multiply
87,869.26x = 131,812.76 × 24,689.53 - Step 4: Simplify right side
87,869.26x = 3,254,395,092.40 - Step 5: Solve for x
x = 3,254,395,092.40/87,869.26 - Step 6: Final answer
x = 37,036.79
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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.