Home / 54,905.52-82,357.68-13,352.56

Finding the Fourth Proportional to 54,905.52, 82,357.68 and 13,352.56

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Solution

The fourth proportional to 54,905.52, 82,357.68 and 13,352.56 is: 20,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.52 : 82,357.68 = 13,352.56 : x
  2. Step 2: Convert to fraction form
    54,905.52/82,357.68 = 13,352.56/x
  3. Step 3: Cross multiply
    54,905.52x = 82,357.68 × 13,352.56
  4. Step 4: Simplify right side
    54,905.52x = 1,099,685,863.66
  5. Step 5: Solve for x
    x = 1,099,685,863.66/54,905.52
  6. Step 6: Final answer
    x = 20,028.69

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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.