Home / 87,886.24-131,770.80-45,662.56

Finding the Fourth Proportional to 87,886.24, 131,770.80 and 45,662.56

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Solution

The fourth proportional to 87,886.24, 131,770.80 and 45,662.56 is: 68,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,886.24 : 131,770.80 = 45,662.56 : x
  2. Step 2: Convert to fraction form
    87,886.24/131,770.80 = 45,662.56/x
  3. Step 3: Cross multiply
    87,886.24x = 131,770.80 × 45,662.56
  4. Step 4: Simplify right side
    87,886.24x = 6,016,992,061.25
  5. Step 5: Solve for x
    x = 6,016,992,061.25/87,886.24
  6. Step 6: Final answer
    x = 68,463.41

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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.