Home / 87,722.58-121,050.17-49,469.86

Finding the Fourth Proportional to 87,722.58, 121,050.17 and 49,469.86

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Solution

The fourth proportional to 87,722.58, 121,050.17 and 49,469.86 is: 68,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,722.58 : 121,050.17 = 49,469.86 : x
  2. Step 2: Convert to fraction form
    87,722.58/121,050.17 = 49,469.86/x
  3. Step 3: Cross multiply
    87,722.58x = 121,050.17 × 49,469.86
  4. Step 4: Simplify right side
    87,722.58x = 5,988,334,481.30
  5. Step 5: Solve for x
    x = 5,988,334,481.30/87,722.58
  6. Step 6: Final answer
    x = 68,264.46

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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.