Finding the Fourth Proportional to 106,711.12, 160,084.07 and 49,841.91
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Solution
The fourth proportional to 106,711.12, 160,084.07 and 49,841.91 is: 74,770.99
Step by Step Solution
- Step 1: Write the proportion equation
106,711.12 : 160,084.07 = 49,841.91 : x - Step 2: Convert to fraction form
106,711.12/160,084.07 = 49,841.91/x - Step 3: Cross multiply
106,711.12x = 160,084.07 × 49,841.91 - Step 4: Simplify right side
106,711.12x = 7,978,895,809.37 - Step 5: Solve for x
x = 7,978,895,809.37/106,711.12 - Step 6: Final answer
x = 74,770.99
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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.