Home / 54,755.05-82,270.97-52,540.72

Finding the Fourth Proportional to 54,755.05, 82,270.97 and 52,540.72

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Solution

The fourth proportional to 54,755.05, 82,270.97 and 52,540.72 is: 78,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.05 : 82,270.97 = 52,540.72 : x
  2. Step 2: Convert to fraction form
    54,755.05/82,270.97 = 52,540.72/x
  3. Step 3: Cross multiply
    54,755.05x = 82,270.97 × 52,540.72
  4. Step 4: Simplify right side
    54,755.05x = 4,322,575,324.84
  5. Step 5: Solve for x
    x = 4,322,575,324.84/54,755.05
  6. Step 6: Final answer
    x = 78,943.87

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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.