Home / 54,822.78-82,234.56-13,269.78

Finding the Fourth Proportional to 54,822.78, 82,234.56 and 13,269.78

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Solution

The fourth proportional to 54,822.78, 82,234.56 and 13,269.78 is: 19,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,822.78 : 82,234.56 = 13,269.78 : x
  2. Step 2: Convert to fraction form
    54,822.78/82,234.56 = 13,269.78/x
  3. Step 3: Cross multiply
    54,822.78x = 82,234.56 × 13,269.78
  4. Step 4: Simplify right side
    54,822.78x = 1,091,234,519.60
  5. Step 5: Solve for x
    x = 1,091,234,519.60/54,822.78
  6. Step 6: Final answer
    x = 19,904.76

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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.