Home / 54,432.18-81,542.43-39,610.26

Finding the Fourth Proportional to 54,432.18, 81,542.43 and 39,610.26

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Solution

The fourth proportional to 54,432.18, 81,542.43 and 39,610.26 is: 59,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.18 : 81,542.43 = 39,610.26 : x
  2. Step 2: Convert to fraction form
    54,432.18/81,542.43 = 39,610.26/x
  3. Step 3: Cross multiply
    54,432.18x = 81,542.43 × 39,610.26
  4. Step 4: Simplify right side
    54,432.18x = 3,229,916,853.33
  5. Step 5: Solve for x
    x = 3,229,916,853.33/54,432.18
  6. Step 6: Final answer
    x = 59,338.37

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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.