Home / 54,217.11-81,314.73-29,252.51

Finding the Fourth Proportional to 54,217.11, 81,314.73 and 29,252.51

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Solution

The fourth proportional to 54,217.11, 81,314.73 and 29,252.51 is: 43,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.11 : 81,314.73 = 29,252.51 : x
  2. Step 2: Convert to fraction form
    54,217.11/81,314.73 = 29,252.51/x
  3. Step 3: Cross multiply
    54,217.11x = 81,314.73 × 29,252.51
  4. Step 4: Simplify right side
    54,217.11x = 2,378,659,545.90
  5. Step 5: Solve for x
    x = 2,378,659,545.90/54,217.11
  6. Step 6: Final answer
    x = 43,872.86

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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.