Finding the Fourth Proportional to 115,385.13, 173,077.70 and 32,279.13
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Solution
The fourth proportional to 115,385.13, 173,077.70 and 32,279.13 is: 48,418.70
Step by Step Solution
- Step 1: Write the proportion equation
115,385.13 : 173,077.70 = 32,279.13 : x - Step 2: Convert to fraction form
115,385.13/173,077.70 = 32,279.13/x - Step 3: Cross multiply
115,385.13x = 173,077.70 × 32,279.13 - Step 4: Simplify right side
115,385.13x = 5,586,797,417.01 - Step 5: Solve for x
x = 5,586,797,417.01/115,385.13 - Step 6: Final answer
x = 48,418.70
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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.