Home / 54,097.10-74,641.19-31,422.61

Finding the Fourth Proportional to 54,097.10, 74,641.19 and 31,422.61

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Solution

The fourth proportional to 54,097.10, 74,641.19 and 31,422.61 is: 43,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,097.10 : 74,641.19 = 31,422.61 : x
  2. Step 2: Convert to fraction form
    54,097.10/74,641.19 = 31,422.61/x
  3. Step 3: Cross multiply
    54,097.10x = 74,641.19 × 31,422.61
  4. Step 4: Simplify right side
    54,097.10x = 2,345,420,472.99
  5. Step 5: Solve for x
    x = 2,345,420,472.99/54,097.10
  6. Step 6: Final answer
    x = 43,355.76

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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.