Home / 80,760.44-111,453.36-48,932.30

Finding the Fourth Proportional to 80,760.44, 111,453.36 and 48,932.30

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Solution

The fourth proportional to 80,760.44, 111,453.36 and 48,932.30 is: 67,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,760.44 : 111,453.36 = 48,932.30 : x
  2. Step 2: Convert to fraction form
    80,760.44/111,453.36 = 48,932.30/x
  3. Step 3: Cross multiply
    80,760.44x = 111,453.36 × 48,932.30
  4. Step 4: Simplify right side
    80,760.44x = 5,453,669,247.53
  5. Step 5: Solve for x
    x = 5,453,669,247.53/80,760.44
  6. Step 6: Final answer
    x = 67,528.97

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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.