Home / 87,125.92-130,704.24-40,431.52

Finding the Fourth Proportional to 87,125.92, 130,704.24 and 40,431.52

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Solution

The fourth proportional to 87,125.92, 130,704.24 and 40,431.52 is: 60,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,125.92 : 130,704.24 = 40,431.52 : x
  2. Step 2: Convert to fraction form
    87,125.92/130,704.24 = 40,431.52/x
  3. Step 3: Cross multiply
    87,125.92x = 130,704.24 × 40,431.52
  4. Step 4: Simplify right side
    87,125.92x = 5,284,571,093.64
  5. Step 5: Solve for x
    x = 5,284,571,093.64/87,125.92
  6. Step 6: Final answer
    x = 60,654.41

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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.