Home / 87,867.12-131,820.04-25,542.48

Finding the Fourth Proportional to 87,867.12, 131,820.04 and 25,542.48

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Solution

The fourth proportional to 87,867.12, 131,820.04 and 25,542.48 is: 38,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,867.12 : 131,820.04 = 25,542.48 : x
  2. Step 2: Convert to fraction form
    87,867.12/131,820.04 = 25,542.48/x
  3. Step 3: Cross multiply
    87,867.12x = 131,820.04 × 25,542.48
  4. Step 4: Simplify right side
    87,867.12x = 3,367,010,735.30
  5. Step 5: Solve for x
    x = 3,367,010,735.30/87,867.12
  6. Step 6: Final answer
    x = 38,319.35

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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.