Home / 80,277.28-110,786.56-48,445.60

Finding the Fourth Proportional to 80,277.28, 110,786.56 and 48,445.60

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Solution

The fourth proportional to 80,277.28, 110,786.56 and 48,445.60 is: 66,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,277.28 : 110,786.56 = 48,445.60 : x
  2. Step 2: Convert to fraction form
    80,277.28/110,786.56 = 48,445.60/x
  3. Step 3: Cross multiply
    80,277.28x = 110,786.56 × 48,445.60
  4. Step 4: Simplify right side
    80,277.28x = 5,367,121,371.14
  5. Step 5: Solve for x
    x = 5,367,121,371.14/80,277.28
  6. Step 6: Final answer
    x = 66,857.29

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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.