Home / 80,595.20-111,188.90-48,708.74

Finding the Fourth Proportional to 80,595.20, 111,188.90 and 48,708.74

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Solution

The fourth proportional to 80,595.20, 111,188.90 and 48,708.74 is: 67,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,595.20 : 111,188.90 = 48,708.74 : x
  2. Step 2: Convert to fraction form
    80,595.20/111,188.90 = 48,708.74/x
  3. Step 3: Cross multiply
    80,595.20x = 111,188.90 × 48,708.74
  4. Step 4: Simplify right side
    80,595.20x = 5,415,871,620.73
  5. Step 5: Solve for x
    x = 5,415,871,620.73/80,595.20
  6. Step 6: Final answer
    x = 67,198.44

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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.