Home / 54,307.38-81,473.82-16,865.52

Finding the Fourth Proportional to 54,307.38, 81,473.82 and 16,865.52

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Solution

The fourth proportional to 54,307.38, 81,473.82 and 16,865.52 is: 25,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,307.38 : 81,473.82 = 16,865.52 : x
  2. Step 2: Convert to fraction form
    54,307.38/81,473.82 = 16,865.52/x
  3. Step 3: Cross multiply
    54,307.38x = 81,473.82 × 16,865.52
  4. Step 4: Simplify right side
    54,307.38x = 1,374,098,340.69
  5. Step 5: Solve for x
    x = 1,374,098,340.69/54,307.38
  6. Step 6: Final answer
    x = 25,302.24

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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.