Home / 51,882.72-77,677.20-40,331.04

Finding the Fourth Proportional to 51,882.72, 77,677.20 and 40,331.04

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Solution

The fourth proportional to 51,882.72, 77,677.20 and 40,331.04 is: 60,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,882.72 : 77,677.20 = 40,331.04 : x
  2. Step 2: Convert to fraction form
    51,882.72/77,677.20 = 40,331.04/x
  3. Step 3: Cross multiply
    51,882.72x = 77,677.20 × 40,331.04
  4. Step 4: Simplify right side
    51,882.72x = 3,132,802,260.29
  5. Step 5: Solve for x
    x = 3,132,802,260.29/51,882.72
  6. Step 6: Final answer
    x = 60,382.38

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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.