Home / 87,882.33-121,276.92-47,595.17

Finding the Fourth Proportional to 87,882.33, 121,276.92 and 47,595.17

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Solution

The fourth proportional to 87,882.33, 121,276.92 and 47,595.17 is: 65,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.33 : 121,276.92 = 47,595.17 : x
  2. Step 2: Convert to fraction form
    87,882.33/121,276.92 = 47,595.17/x
  3. Step 3: Cross multiply
    87,882.33x = 121,276.92 × 47,595.17
  4. Step 4: Simplify right side
    87,882.33x = 5,772,195,624.48
  5. Step 5: Solve for x
    x = 5,772,195,624.48/87,882.33
  6. Step 6: Final answer
    x = 65,680.96

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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.