Home / 54,591.12-81,876.82-15,151.40

Finding the Fourth Proportional to 54,591.12, 81,876.82 and 15,151.40

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Solution

The fourth proportional to 54,591.12, 81,876.82 and 15,151.40 is: 22,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.12 : 81,876.82 = 15,151.40 : x
  2. Step 2: Convert to fraction form
    54,591.12/81,876.82 = 15,151.40/x
  3. Step 3: Cross multiply
    54,591.12x = 81,876.82 × 15,151.40
  4. Step 4: Simplify right side
    54,591.12x = 1,240,548,450.55
  5. Step 5: Solve for x
    x = 1,240,548,450.55/54,591.12
  6. Step 6: Final answer
    x = 22,724.36

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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.