Home / 54,211.97-81,286.01-25,328.65

Finding the Fourth Proportional to 54,211.97, 81,286.01 and 25,328.65

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Solution

The fourth proportional to 54,211.97, 81,286.01 and 25,328.65 is: 37,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.97 : 81,286.01 = 25,328.65 : x
  2. Step 2: Convert to fraction form
    54,211.97/81,286.01 = 25,328.65/x
  3. Step 3: Cross multiply
    54,211.97x = 81,286.01 × 25,328.65
  4. Step 4: Simplify right side
    54,211.97x = 2,058,864,743.49
  5. Step 5: Solve for x
    x = 2,058,864,743.49/54,211.97
  6. Step 6: Final answer
    x = 37,978.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.