Home / 87,225.24-130,917.90-54,010.20

Finding the Fourth Proportional to 87,225.24, 130,917.90 and 54,010.20

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Solution

The fourth proportional to 87,225.24, 130,917.90 and 54,010.20 is: 81,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,225.24 : 130,917.90 = 54,010.20 : x
  2. Step 2: Convert to fraction form
    87,225.24/130,917.90 = 54,010.20/x
  3. Step 3: Cross multiply
    87,225.24x = 130,917.90 × 54,010.20
  4. Step 4: Simplify right side
    87,225.24x = 7,070,901,962.58
  5. Step 5: Solve for x
    x = 7,070,901,962.58/87,225.24
  6. Step 6: Final answer
    x = 81,064.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.