Home / 80,524.32-111,115.44-47,009.76

Finding the Fourth Proportional to 80,524.32, 111,115.44 and 47,009.76

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Solution

The fourth proportional to 80,524.32, 111,115.44 and 47,009.76 is: 64,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,524.32 : 111,115.44 = 47,009.76 : x
  2. Step 2: Convert to fraction form
    80,524.32/111,115.44 = 47,009.76/x
  3. Step 3: Cross multiply
    80,524.32x = 111,115.44 × 47,009.76
  4. Step 4: Simplify right side
    80,524.32x = 5,223,510,166.69
  5. Step 5: Solve for x
    x = 5,223,510,166.69/80,524.32
  6. Step 6: Final answer
    x = 64,868.73

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Double scale
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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.