Home / 87,637.52-131,403.62-34,265.91

Finding the Fourth Proportional to 87,637.52, 131,403.62 and 34,265.91

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Solution

The fourth proportional to 87,637.52, 131,403.62 and 34,265.91 is: 51,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,637.52 : 131,403.62 = 34,265.91 : x
  2. Step 2: Convert to fraction form
    87,637.52/131,403.62 = 34,265.91/x
  3. Step 3: Cross multiply
    87,637.52x = 131,403.62 × 34,265.91
  4. Step 4: Simplify right side
    87,637.52x = 4,502,664,445.26
  5. Step 5: Solve for x
    x = 4,502,664,445.26/87,637.52
  6. Step 6: Final answer
    x = 51,378.28

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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.