Home / 87,815.48-131,723.42-50,618.66

Finding the Fourth Proportional to 87,815.48, 131,723.42 and 50,618.66

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Solution

The fourth proportional to 87,815.48, 131,723.42 and 50,618.66 is: 75,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,815.48 : 131,723.42 = 50,618.66 : x
  2. Step 2: Convert to fraction form
    87,815.48/131,723.42 = 50,618.66/x
  3. Step 3: Cross multiply
    87,815.48x = 131,723.42 × 50,618.66
  4. Step 4: Simplify right side
    87,815.48x = 6,667,662,099.31
  5. Step 5: Solve for x
    x = 6,667,662,099.31/87,815.48
  6. Step 6: Final answer
    x = 75,928.10

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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.