Home / 80,928.64-121,346.56-24,753.12

Finding the Fourth Proportional to 80,928.64, 121,346.56 and 24,753.12

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Solution

The fourth proportional to 80,928.64, 121,346.56 and 24,753.12 is: 37,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,928.64 : 121,346.56 = 24,753.12 : x
  2. Step 2: Convert to fraction form
    80,928.64/121,346.56 = 24,753.12/x
  3. Step 3: Cross multiply
    80,928.64x = 121,346.56 × 24,753.12
  4. Step 4: Simplify right side
    80,928.64x = 3,003,705,961.27
  5. Step 5: Solve for x
    x = 3,003,705,961.27/80,928.64
  6. Step 6: Final answer
    x = 37,115.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.