Finding the Fourth Proportional to 71,414.08, 107,187.56 and 36,379.96
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Solution
The fourth proportional to 71,414.08, 107,187.56 and 36,379.96 is: 54,603.79
Step by Step Solution
- Step 1: Write the proportion equation
71,414.08 : 107,187.56 = 36,379.96 : x - Step 2: Convert to fraction form
71,414.08/107,187.56 = 36,379.96/x - Step 3: Cross multiply
71,414.08x = 107,187.56 × 36,379.96 - Step 4: Simplify right side
71,414.08x = 3,899,479,145.30 - Step 5: Solve for x
x = 3,899,479,145.30/71,414.08 - Step 6: Final answer
x = 54,603.79
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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.