Home / 54,845.07-75,686.22-29,694.57

Finding the Fourth Proportional to 54,845.07, 75,686.22 and 29,694.57

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Solution

The fourth proportional to 54,845.07, 75,686.22 and 29,694.57 is: 40,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.07 : 75,686.22 = 29,694.57 : x
  2. Step 2: Convert to fraction form
    54,845.07/75,686.22 = 29,694.57/x
  3. Step 3: Cross multiply
    54,845.07x = 75,686.22 × 29,694.57
  4. Step 4: Simplify right side
    54,845.07x = 2,247,469,757.83
  5. Step 5: Solve for x
    x = 2,247,469,757.83/54,845.07
  6. Step 6: Final answer
    x = 40,978.52

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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.