Home / 80,351.28-110,882.52-48,508.56

Finding the Fourth Proportional to 80,351.28, 110,882.52 and 48,508.56

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Solution

The fourth proportional to 80,351.28, 110,882.52 and 48,508.56 is: 66,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,351.28 : 110,882.52 = 48,508.56 : x
  2. Step 2: Convert to fraction form
    80,351.28/110,882.52 = 48,508.56/x
  3. Step 3: Cross multiply
    80,351.28x = 110,882.52 × 48,508.56
  4. Step 4: Simplify right side
    80,351.28x = 5,378,751,374.37
  5. Step 5: Solve for x
    x = 5,378,751,374.37/80,351.28
  6. Step 6: Final answer
    x = 66,940.46

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1.5x scale

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.