Home / 87,753.76-131,630.52-28,589.34

Finding the Fourth Proportional to 87,753.76, 131,630.52 and 28,589.34

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Solution

The fourth proportional to 87,753.76, 131,630.52 and 28,589.34 is: 42,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.76 : 131,630.52 = 28,589.34 : x
  2. Step 2: Convert to fraction form
    87,753.76/131,630.52 = 28,589.34/x
  3. Step 3: Cross multiply
    87,753.76x = 131,630.52 × 28,589.34
  4. Step 4: Simplify right side
    87,753.76x = 3,763,229,690.66
  5. Step 5: Solve for x
    x = 3,763,229,690.66/87,753.76
  6. Step 6: Final answer
    x = 42,883.97

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1.5x scale

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.