Home / 80,268.28-110,774.20-48,436.64

Finding the Fourth Proportional to 80,268.28, 110,774.20 and 48,436.64

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Solution

The fourth proportional to 80,268.28, 110,774.20 and 48,436.64 is: 66,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,268.28 : 110,774.20 = 48,436.64 : x
  2. Step 2: Convert to fraction form
    80,268.28/110,774.20 = 48,436.64/x
  3. Step 3: Cross multiply
    80,268.28x = 110,774.20 × 48,436.64
  4. Step 4: Simplify right side
    80,268.28x = 5,365,530,046.69
  5. Step 5: Solve for x
    x = 5,365,530,046.69/80,268.28
  6. Step 6: Final answer
    x = 66,844.96

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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.