Home / 87,727.62-131,335.06-65,337.60

Finding the Fourth Proportional to 87,727.62, 131,335.06 and 65,337.60

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Solution

The fourth proportional to 87,727.62, 131,335.06 and 65,337.60 is: 97,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,727.62 : 131,335.06 = 65,337.60 : x
  2. Step 2: Convert to fraction form
    87,727.62/131,335.06 = 65,337.60/x
  3. Step 3: Cross multiply
    87,727.62x = 131,335.06 × 65,337.60
  4. Step 4: Simplify right side
    87,727.62x = 8,581,117,616.26
  5. Step 5: Solve for x
    x = 8,581,117,616.26/87,727.62
  6. Step 6: Final answer
    x = 97,815.46

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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.