Finding the Fourth Proportional to 100,532.36, 138,737.10 and 54,593.97
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Solution
The fourth proportional to 100,532.36, 138,737.10 and 54,593.97 is: 75,341.00
Step by Step Solution
- Step 1: Write the proportion equation
100,532.36 : 138,737.10 = 54,593.97 : x - Step 2: Convert to fraction form
100,532.36/138,737.10 = 54,593.97/x - Step 3: Cross multiply
100,532.36x = 138,737.10 × 54,593.97 - Step 4: Simplify right side
100,532.36x = 7,574,208,759.75 - Step 5: Solve for x
x = 7,574,208,759.75/100,532.36 - Step 6: Final answer
x = 75,341.00
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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.