Home / 87,344.28-131,003.64-42,959.10

Finding the Fourth Proportional to 87,344.28, 131,003.64 and 42,959.10

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Solution

The fourth proportional to 87,344.28, 131,003.64 and 42,959.10 is: 64,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,344.28 : 131,003.64 = 42,959.10 : x
  2. Step 2: Convert to fraction form
    87,344.28/131,003.64 = 42,959.10/x
  3. Step 3: Cross multiply
    87,344.28x = 131,003.64 × 42,959.10
  4. Step 4: Simplify right side
    87,344.28x = 5,627,798,471.12
  5. Step 5: Solve for x
    x = 5,627,798,471.12/87,344.28
  6. Step 6: Final answer
    x = 64,432.36

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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.