Home / 54,845.70-75,687.17-29,695.20

Finding the Fourth Proportional to 54,845.70, 75,687.17 and 29,695.20

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Solution

The fourth proportional to 54,845.70, 75,687.17 and 29,695.20 is: 40,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.70 : 75,687.17 = 29,695.20 : x
  2. Step 2: Convert to fraction form
    54,845.70/75,687.17 = 29,695.20/x
  3. Step 3: Cross multiply
    54,845.70x = 75,687.17 × 29,695.20
  4. Step 4: Simplify right side
    54,845.70x = 2,247,545,650.58
  5. Step 5: Solve for x
    x = 2,247,545,650.58/54,845.70
  6. Step 6: Final answer
    x = 40,979.43

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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.