Finding the Fourth Proportional to 86,472.08, 119,344.60 and 62,590.08
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Solution
The fourth proportional to 86,472.08, 119,344.60 and 62,590.08 is: 86,383.81
Step by Step Solution
- Step 1: Write the proportion equation
86,472.08 : 119,344.60 = 62,590.08 : x - Step 2: Convert to fraction form
86,472.08/119,344.60 = 62,590.08/x - Step 3: Cross multiply
86,472.08x = 119,344.60 × 62,590.08 - Step 4: Simplify right side
86,472.08x = 7,469,788,061.57 - Step 5: Solve for x
x = 7,469,788,061.57/86,472.08 - Step 6: Final answer
x = 86,383.81
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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.