Finding the Fourth Proportional to 125,737.53, 173,542.41 and 72,058.53
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Solution
The fourth proportional to 125,737.53, 173,542.41 and 72,058.53 is: 99,454.88
Step by Step Solution
- Step 1: Write the proportion equation
125,737.53 : 173,542.41 = 72,058.53 : x - Step 2: Convert to fraction form
125,737.53/173,542.41 = 72,058.53/x - Step 3: Cross multiply
125,737.53x = 173,542.41 × 72,058.53 - Step 4: Simplify right side
125,737.53x = 12,505,210,957.26 - Step 5: Solve for x
x = 12,505,210,957.26/125,737.53 - Step 6: Final answer
x = 99,454.88
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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.