Home / 80,553.60-111,169.28-48,723.84

Finding the Fourth Proportional to 80,553.60, 111,169.28 and 48,723.84

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Solution

The fourth proportional to 80,553.60, 111,169.28 and 48,723.84 is: 67,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,553.60 : 111,169.28 = 48,723.84 : x
  2. Step 2: Convert to fraction form
    80,553.60/111,169.28 = 48,723.84/x
  3. Step 3: Cross multiply
    80,553.60x = 111,169.28 × 48,723.84
  4. Step 4: Simplify right side
    80,553.60x = 5,416,594,211.64
  5. Step 5: Solve for x
    x = 5,416,594,211.64/80,553.60
  6. Step 6: Final answer
    x = 67,242.11

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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.