Home / 54,391.86-81,591.74-22,770.12

Finding the Fourth Proportional to 54,391.86, 81,591.74 and 22,770.12

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Solution

The fourth proportional to 54,391.86, 81,591.74 and 22,770.12 is: 34,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.86 : 81,591.74 = 22,770.12 : x
  2. Step 2: Convert to fraction form
    54,391.86/81,591.74 = 22,770.12/x
  3. Step 3: Cross multiply
    54,391.86x = 81,591.74 × 22,770.12
  4. Step 4: Simplify right side
    54,391.86x = 1,857,853,710.81
  5. Step 5: Solve for x
    x = 1,857,853,710.81/54,391.86
  6. Step 6: Final answer
    x = 34,156.83

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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.