Home / 87,004.11-130,490.52-39,607.88

Finding the Fourth Proportional to 87,004.11, 130,490.52 and 39,607.88

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Solution

The fourth proportional to 87,004.11, 130,490.52 and 39,607.88 is: 59,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004.11 : 130,490.52 = 39,607.88 : x
  2. Step 2: Convert to fraction form
    87,004.11/130,490.52 = 39,607.88/x
  3. Step 3: Cross multiply
    87,004.11x = 130,490.52 × 39,607.88
  4. Step 4: Simplify right side
    87,004.11x = 5,168,452,204.85
  5. Step 5: Solve for x
    x = 5,168,452,204.85/87,004.11
  6. Step 6: Final answer
    x = 59,404.69

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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.