Finding the Fourth Proportional to 86,834.12, 119,823.96 and 48,591.70
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Solution
The fourth proportional to 86,834.12, 119,823.96 and 48,591.70 is: 67,052.56
Step by Step Solution
- Step 1: Write the proportion equation
86,834.12 : 119,823.96 = 48,591.70 : x - Step 2: Convert to fraction form
86,834.12/119,823.96 = 48,591.70/x - Step 3: Cross multiply
86,834.12x = 119,823.96 × 48,591.70 - Step 4: Simplify right side
86,834.12x = 5,822,449,917.13 - Step 5: Solve for x
x = 5,822,449,917.13/86,834.12 - Step 6: Final answer
x = 67,052.56
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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.