Home / 54,453.33-81,682.11-15,013.53

Finding the Fourth Proportional to 54,453.33, 81,682.11 and 15,013.53

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Solution

The fourth proportional to 54,453.33, 81,682.11 and 15,013.53 is: 22,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.33 : 81,682.11 = 15,013.53 : x
  2. Step 2: Convert to fraction form
    54,453.33/81,682.11 = 15,013.53/x
  3. Step 3: Cross multiply
    54,453.33x = 81,682.11 × 15,013.53
  4. Step 4: Simplify right side
    54,453.33x = 1,226,336,808.95
  5. Step 5: Solve for x
    x = 1,226,336,808.95/54,453.33
  6. Step 6: Final answer
    x = 22,520.88

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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.