Finding the Fourth Proportional to 74,400.28, 102,758.98 and 62,344.44
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Solution
The fourth proportional to 74,400.28, 102,758.98 and 62,344.44 is: 86,107.89
Step by Step Solution
- Step 1: Write the proportion equation
74,400.28 : 102,758.98 = 62,344.44 : x - Step 2: Convert to fraction form
74,400.28/102,758.98 = 62,344.44/x - Step 3: Cross multiply
74,400.28x = 102,758.98 × 62,344.44 - Step 4: Simplify right side
74,400.28x = 6,406,451,063.07 - Step 5: Solve for x
x = 6,406,451,063.07/74,400.28 - Step 6: Final answer
x = 86,107.89
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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.