Home / 80,319.02-110,843.10-48,481.70

Finding the Fourth Proportional to 80,319.02, 110,843.10 and 48,481.70

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Solution

The fourth proportional to 80,319.02, 110,843.10 and 48,481.70 is: 66,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,319.02 : 110,843.10 = 48,481.70 : x
  2. Step 2: Convert to fraction form
    80,319.02/110,843.10 = 48,481.70/x
  3. Step 3: Cross multiply
    80,319.02x = 110,843.10 × 48,481.70
  4. Step 4: Simplify right side
    80,319.02x = 5,373,861,921.27
  5. Step 5: Solve for x
    x = 5,373,861,921.27/80,319.02
  6. Step 6: Final answer
    x = 66,906.47

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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.