Home / 87,883.89-131,832.02-43,498.72

Finding the Fourth Proportional to 87,883.89, 131,832.02 and 43,498.72

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Solution

The fourth proportional to 87,883.89, 131,832.02 and 43,498.72 is: 65,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,883.89 : 131,832.02 = 43,498.72 : x
  2. Step 2: Convert to fraction form
    87,883.89/131,832.02 = 43,498.72/x
  3. Step 3: Cross multiply
    87,883.89x = 131,832.02 × 43,498.72
  4. Step 4: Simplify right side
    87,883.89x = 5,734,524,398.55
  5. Step 5: Solve for x
    x = 5,734,524,398.55/87,883.89
  6. Step 6: Final answer
    x = 65,251.15

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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.