Home / 87,917.00-121,325.28-47,631.85

Finding the Fourth Proportional to 87,917.00, 121,325.28 and 47,631.85

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Solution

The fourth proportional to 87,917.00, 121,325.28 and 47,631.85 is: 65,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,917.00 : 121,325.28 = 47,631.85 : x
  2. Step 2: Convert to fraction form
    87,917.00/121,325.28 = 47,631.85/x
  3. Step 3: Cross multiply
    87,917.00x = 121,325.28 × 47,631.85
  4. Step 4: Simplify right side
    87,917.00x = 5,778,947,234.85
  5. Step 5: Solve for x
    x = 5,778,947,234.85/87,917.00
  6. Step 6: Final answer
    x = 65,731.86

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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.