Home / 87,760.46-121,091.54-51,932.54

Finding the Fourth Proportional to 87,760.46, 121,091.54 and 51,932.54

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Solution

The fourth proportional to 87,760.46, 121,091.54 and 51,932.54 is: 71,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,760.46 : 121,091.54 = 51,932.54 : x
  2. Step 2: Convert to fraction form
    87,760.46/121,091.54 = 51,932.54/x
  3. Step 3: Cross multiply
    87,760.46x = 121,091.54 × 51,932.54
  4. Step 4: Simplify right side
    87,760.46x = 6,288,591,244.71
  5. Step 5: Solve for x
    x = 6,288,591,244.71/87,760.46
  6. Step 6: Final answer
    x = 71,656.32

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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.