Home / 54,909.15-82,356.39-15,469.34

Finding the Fourth Proportional to 54,909.15, 82,356.39 and 15,469.34

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Solution

The fourth proportional to 54,909.15, 82,356.39 and 15,469.34 is: 23,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.15 : 82,356.39 = 15,469.34 : x
  2. Step 2: Convert to fraction form
    54,909.15/82,356.39 = 15,469.34/x
  3. Step 3: Cross multiply
    54,909.15x = 82,356.39 × 15,469.34
  4. Step 4: Simplify right side
    54,909.15x = 1,273,998,586.30
  5. Step 5: Solve for x
    x = 1,273,998,586.30/54,909.15
  6. Step 6: Final answer
    x = 23,201.94

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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.