Home / 95,288.78-131,481.11-54,987.83

Finding the Fourth Proportional to 95,288.78, 131,481.11 and 54,987.83

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Solution

The fourth proportional to 95,288.78, 131,481.11 and 54,987.83 is: 75,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,288.78 : 131,481.11 = 54,987.83 : x
  2. Step 2: Convert to fraction form
    95,288.78/131,481.11 = 54,987.83/x
  3. Step 3: Cross multiply
    95,288.78x = 131,481.11 × 54,987.83
  4. Step 4: Simplify right side
    95,288.78x = 7,229,859,992.55
  5. Step 5: Solve for x
    x = 7,229,859,992.55/95,288.78
  6. Step 6: Final answer
    x = 75,873.15

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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.