Home / 54,691.31-75,474.01-29,540.81

Finding the Fourth Proportional to 54,691.31, 75,474.01 and 29,540.81

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Solution

The fourth proportional to 54,691.31, 75,474.01 and 29,540.81 is: 40,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,691.31 : 75,474.01 = 29,540.81 : x
  2. Step 2: Convert to fraction form
    54,691.31/75,474.01 = 29,540.81/x
  3. Step 3: Cross multiply
    54,691.31x = 75,474.01 × 29,540.81
  4. Step 4: Simplify right side
    54,691.31x = 2,229,563,614.96
  5. Step 5: Solve for x
    x = 2,229,563,614.96/54,691.31
  6. Step 6: Final answer
    x = 40,766.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.