Home / 87,035.33-130,331.42-57,363.20

Finding the Fourth Proportional to 87,035.33, 130,331.42 and 57,363.20

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Solution

The fourth proportional to 87,035.33, 130,331.42 and 57,363.20 is: 85,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,035.33 : 130,331.42 = 57,363.20 : x
  2. Step 2: Convert to fraction form
    87,035.33/130,331.42 = 57,363.20/x
  3. Step 3: Cross multiply
    87,035.33x = 130,331.42 × 57,363.20
  4. Step 4: Simplify right side
    87,035.33x = 7,476,227,350.76
  5. Step 5: Solve for x
    x = 7,476,227,350.76/87,035.33
  6. Step 6: Final answer
    x = 85,898.77

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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.