Home / 87,549.88-131,203.86-75,834.04

Finding the Fourth Proportional to 87,549.88, 131,203.86 and 75,834.04

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Solution

The fourth proportional to 87,549.88, 131,203.86 and 75,834.04 is: 113,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,549.88 : 131,203.86 = 75,834.04 : x
  2. Step 2: Convert to fraction form
    87,549.88/131,203.86 = 75,834.04/x
  3. Step 3: Cross multiply
    87,549.88x = 131,203.86 × 75,834.04
  4. Step 4: Simplify right side
    87,549.88x = 9,949,718,767.39
  5. Step 5: Solve for x
    x = 9,949,718,767.39/87,549.88
  6. Step 6: Final answer
    x = 113,646.29

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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.