Home / 87,387.24-130,989.96-59,309.58

Finding the Fourth Proportional to 87,387.24, 130,989.96 and 59,309.58

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Solution

The fourth proportional to 87,387.24, 130,989.96 and 59,309.58 is: 88,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,387.24 : 130,989.96 = 59,309.58 : x
  2. Step 2: Convert to fraction form
    87,387.24/130,989.96 = 59,309.58/x
  3. Step 3: Cross multiply
    87,387.24x = 130,989.96 × 59,309.58
  4. Step 4: Simplify right side
    87,387.24x = 7,768,960,003.03
  5. Step 5: Solve for x
    x = 7,768,960,003.03/87,387.24
  6. Step 6: Final answer
    x = 88,902.68

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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.