Home / 87,665.28-131,393.52-50,251.20

Finding the Fourth Proportional to 87,665.28, 131,393.52 and 50,251.20

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Solution

The fourth proportional to 87,665.28, 131,393.52 and 50,251.20 is: 75,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,665.28 : 131,393.52 = 50,251.20 : x
  2. Step 2: Convert to fraction form
    87,665.28/131,393.52 = 50,251.20/x
  3. Step 3: Cross multiply
    87,665.28x = 131,393.52 × 50,251.20
  4. Step 4: Simplify right side
    87,665.28x = 6,602,682,052.22
  5. Step 5: Solve for x
    x = 6,602,682,052.22/87,665.28
  6. Step 6: Final answer
    x = 75,316.96

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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.