Home / 75,836.52-104,512.68-54,578.88

Finding the Fourth Proportional to 75,836.52, 104,512.68 and 54,578.88

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Solution

The fourth proportional to 75,836.52, 104,512.68 and 54,578.88 is: 75,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,836.52 : 104,512.68 = 54,578.88 : x
  2. Step 2: Convert to fraction form
    75,836.52/104,512.68 = 54,578.88/x
  3. Step 3: Cross multiply
    75,836.52x = 104,512.68 × 54,578.88
  4. Step 4: Simplify right side
    75,836.52x = 5,704,185,020.20
  5. Step 5: Solve for x
    x = 5,704,185,020.20/75,836.52
  6. Step 6: Final answer
    x = 75,216.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.