Home / 87,786.24-131,683.10-34,489.76

Finding the Fourth Proportional to 87,786.24, 131,683.10 and 34,489.76

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Solution

The fourth proportional to 87,786.24, 131,683.10 and 34,489.76 is: 51,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,786.24 : 131,683.10 = 34,489.76 : x
  2. Step 2: Convert to fraction form
    87,786.24/131,683.10 = 34,489.76/x
  3. Step 3: Cross multiply
    87,786.24x = 131,683.10 × 34,489.76
  4. Step 4: Simplify right side
    87,786.24x = 4,541,717,878.20
  5. Step 5: Solve for x
    x = 4,541,717,878.20/87,786.24
  6. Step 6: Final answer
    x = 51,736.10

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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.