Home / 56,843.28-85,115.76-40,112.64

Finding the Fourth Proportional to 56,843.28, 85,115.76 and 40,112.64

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Solution

The fourth proportional to 56,843.28, 85,115.76 and 40,112.64 is: 60,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,843.28 : 85,115.76 = 40,112.64 : x
  2. Step 2: Convert to fraction form
    56,843.28/85,115.76 = 40,112.64/x
  3. Step 3: Cross multiply
    56,843.28x = 85,115.76 × 40,112.64
  4. Step 4: Simplify right side
    56,843.28x = 3,414,217,839.21
  5. Step 5: Solve for x
    x = 3,414,217,839.21/56,843.28
  6. Step 6: Final answer
    x = 60,063.70

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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.