Home / 54,761.28-75,563.10-30,559.44

Finding the Fourth Proportional to 54,761.28, 75,563.10 and 30,559.44

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Solution

The fourth proportional to 54,761.28, 75,563.10 and 30,559.44 is: 42,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,761.28 : 75,563.10 = 30,559.44 : x
  2. Step 2: Convert to fraction form
    54,761.28/75,563.10 = 30,559.44/x
  3. Step 3: Cross multiply
    54,761.28x = 75,563.10 × 30,559.44
  4. Step 4: Simplify right side
    54,761.28x = 2,309,166,020.66
  5. Step 5: Solve for x
    x = 2,309,166,020.66/54,761.28
  6. Step 6: Final answer
    x = 42,167.86

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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.