Home / 54,378.39-81,491.72-29,364.58

Finding the Fourth Proportional to 54,378.39, 81,491.72 and 29,364.58

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Solution

The fourth proportional to 54,378.39, 81,491.72 and 29,364.58 is: 44,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378.39 : 81,491.72 = 29,364.58 : x
  2. Step 2: Convert to fraction form
    54,378.39/81,491.72 = 29,364.58/x
  3. Step 3: Cross multiply
    54,378.39x = 81,491.72 × 29,364.58
  4. Step 4: Simplify right side
    54,378.39x = 2,392,969,793.10
  5. Step 5: Solve for x
    x = 2,392,969,793.10/54,378.39
  6. Step 6: Final answer
    x = 44,005.90

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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.