Home / 87,380.73-120,584.26-49,140.26

Finding the Fourth Proportional to 87,380.73, 120,584.26 and 49,140.26

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Solution

The fourth proportional to 87,380.73, 120,584.26 and 49,140.26 is: 67,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,380.73 : 120,584.26 = 49,140.26 : x
  2. Step 2: Convert to fraction form
    87,380.73/120,584.26 = 49,140.26/x
  3. Step 3: Cross multiply
    87,380.73x = 120,584.26 × 49,140.26
  4. Step 4: Simplify right side
    87,380.73x = 5,925,542,293.01
  5. Step 5: Solve for x
    x = 5,925,542,293.01/87,380.73
  6. Step 6: Final answer
    x = 67,812.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.