Home / 87,251.12-130,778.52-37,306.16

Finding the Fourth Proportional to 87,251.12, 130,778.52 and 37,306.16

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Solution

The fourth proportional to 87,251.12, 130,778.52 and 37,306.16 is: 55,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,251.12 : 130,778.52 = 37,306.16 : x
  2. Step 2: Convert to fraction form
    87,251.12/130,778.52 = 37,306.16/x
  3. Step 3: Cross multiply
    87,251.12x = 130,778.52 × 37,306.16
  4. Step 4: Simplify right side
    87,251.12x = 4,878,844,391.68
  5. Step 5: Solve for x
    x = 4,878,844,391.68/87,251.12
  6. Step 6: Final answer
    x = 55,917.27

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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.