Home / 54,391.91-81,511.92-29,378.03

Finding the Fourth Proportional to 54,391.91, 81,511.92 and 29,378.03

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Solution

The fourth proportional to 54,391.91, 81,511.92 and 29,378.03 is: 44,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.91 : 81,511.92 = 29,378.03 : x
  2. Step 2: Convert to fraction form
    54,391.91/81,511.92 = 29,378.03/x
  3. Step 3: Cross multiply
    54,391.91x = 81,511.92 × 29,378.03
  4. Step 4: Simplify right side
    54,391.91x = 2,394,659,223.56
  5. Step 5: Solve for x
    x = 2,394,659,223.56/54,391.91
  6. Step 6: Final answer
    x = 44,026.02

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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.