Home / 87,902.45-131,924.38-45,795.11

Finding the Fourth Proportional to 87,902.45, 131,924.38 and 45,795.11

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Solution

The fourth proportional to 87,902.45, 131,924.38 and 45,795.11 is: 68,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,902.45 : 131,924.38 = 45,795.11 : x
  2. Step 2: Convert to fraction form
    87,902.45/131,924.38 = 45,795.11/x
  3. Step 3: Cross multiply
    87,902.45x = 131,924.38 × 45,795.11
  4. Step 4: Simplify right side
    87,902.45x = 6,041,491,493.78
  5. Step 5: Solve for x
    x = 6,041,491,493.78/87,902.45
  6. Step 6: Final answer
    x = 68,729.50

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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.