Finding the Fourth Proportional to 83,737.26, 125,436.20 and 38,694.58
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Solution
The fourth proportional to 83,737.26, 125,436.20 and 38,694.58 is: 57,963.45
Step by Step Solution
- Step 1: Write the proportion equation
83,737.26 : 125,436.20 = 38,694.58 : x - Step 2: Convert to fraction form
83,737.26/125,436.20 = 38,694.58/x - Step 3: Cross multiply
83,737.26x = 125,436.20 × 38,694.58 - Step 4: Simplify right side
83,737.26x = 4,853,700,568.73 - Step 5: Solve for x
x = 4,853,700,568.73/83,737.26 - Step 6: Final answer
x = 57,963.45
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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.