Home / 87,418.75-131,250.80-44,754.65

Finding the Fourth Proportional to 87,418.75, 131,250.80 and 44,754.65

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Solution

The fourth proportional to 87,418.75, 131,250.80 and 44,754.65 is: 67,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,418.75 : 131,250.80 = 44,754.65 : x
  2. Step 2: Convert to fraction form
    87,418.75/131,250.80 = 44,754.65/x
  3. Step 3: Cross multiply
    87,418.75x = 131,250.80 × 44,754.65
  4. Step 4: Simplify right side
    87,418.75x = 5,874,083,616.22
  5. Step 5: Solve for x
    x = 5,874,083,616.22/87,418.75
  6. Step 6: Final answer
    x = 67,194.78

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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.