Home / 87,583.10-120,610.13-76,092.71

Finding the Fourth Proportional to 87,583.10, 120,610.13 and 76,092.71

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Solution

The fourth proportional to 87,583.10, 120,610.13 and 76,092.71 is: 104,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,583.10 : 120,610.13 = 76,092.71 : x
  2. Step 2: Convert to fraction form
    87,583.10/120,610.13 = 76,092.71/x
  3. Step 3: Cross multiply
    87,583.10x = 120,610.13 × 76,092.71
  4. Step 4: Simplify right side
    87,583.10x = 9,177,550,661.64
  5. Step 5: Solve for x
    x = 9,177,550,661.64/87,583.10
  6. Step 6: Final answer
    x = 104,786.78

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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.