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Finding the Fourth Proportional to 87,067.92, 130,614.36 and 33,052.53

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Solution

The fourth proportional to 87,067.92, 130,614.36 and 33,052.53 is: 49,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,067.92 : 130,614.36 = 33,052.53 : x
  2. Step 2: Convert to fraction form
    87,067.92/130,614.36 = 33,052.53/x
  3. Step 3: Cross multiply
    87,067.92x = 130,614.36 × 33,052.53
  4. Step 4: Simplify right side
    87,067.92x = 4,317,135,052.33
  5. Step 5: Solve for x
    x = 4,317,135,052.33/87,067.92
  6. Step 6: Final answer
    x = 49,583.53

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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.