Finding the Fourth Proportional to 68,553.28, 102,759.92 and 38,908.48
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Solution
The fourth proportional to 68,553.28, 102,759.92 and 38,908.48 is: 58,322.99
Step by Step Solution
- Step 1: Write the proportion equation
68,553.28 : 102,759.92 = 38,908.48 : x - Step 2: Convert to fraction form
68,553.28/102,759.92 = 38,908.48/x - Step 3: Cross multiply
68,553.28x = 102,759.92 × 38,908.48 - Step 4: Simplify right side
68,553.28x = 3,998,232,292.12 - Step 5: Solve for x
x = 3,998,232,292.12/68,553.28 - Step 6: Final answer
x = 58,322.99
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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.