Home / 54,845.28-75,686.82-29,694.78

Finding the Fourth Proportional to 54,845.28, 75,686.82 and 29,694.78

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Solution

The fourth proportional to 54,845.28, 75,686.82 and 29,694.78 is: 40,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.28 : 75,686.82 = 29,694.78 : x
  2. Step 2: Convert to fraction form
    54,845.28/75,686.82 = 29,694.78/x
  3. Step 3: Cross multiply
    54,845.28x = 75,686.82 × 29,694.78
  4. Step 4: Simplify right side
    54,845.28x = 2,247,503,468.80
  5. Step 5: Solve for x
    x = 2,247,503,468.80/54,845.28
  6. Step 6: Final answer
    x = 40,978.98

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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.