Home / 54,091.80-74,642.46-29,891.76

Finding the Fourth Proportional to 54,091.80, 74,642.46 and 29,891.76

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Solution

The fourth proportional to 54,091.80, 74,642.46 and 29,891.76 is: 41,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.80 : 74,642.46 = 29,891.76 : x
  2. Step 2: Convert to fraction form
    54,091.80/74,642.46 = 29,891.76/x
  3. Step 3: Cross multiply
    54,091.80x = 74,642.46 × 29,891.76
  4. Step 4: Simplify right side
    54,091.80x = 2,231,194,500.13
  5. Step 5: Solve for x
    x = 2,231,194,500.13/54,091.80
  6. Step 6: Final answer
    x = 41,248.29

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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.