Home / 87,758.07-120,980.17-62,563.83

Finding the Fourth Proportional to 87,758.07, 120,980.17 and 62,563.83

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Solution

The fourth proportional to 87,758.07, 120,980.17 and 62,563.83 is: 86,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,758.07 : 120,980.17 = 62,563.83 : x
  2. Step 2: Convert to fraction form
    87,758.07/120,980.17 = 62,563.83/x
  3. Step 3: Cross multiply
    87,758.07x = 120,980.17 × 62,563.83
  4. Step 4: Simplify right side
    87,758.07x = 7,568,982,789.25
  5. Step 5: Solve for x
    x = 7,568,982,789.25/87,758.07
  6. Step 6: Final answer
    x = 86,248.28

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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.