Home / 80,680.67-111,330.78-44,864.90

Finding the Fourth Proportional to 80,680.67, 111,330.78 and 44,864.90

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Solution

The fourth proportional to 80,680.67, 111,330.78 and 44,864.90 is: 61,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.67 : 111,330.78 = 44,864.90 : x
  2. Step 2: Convert to fraction form
    80,680.67/111,330.78 = 44,864.90/x
  3. Step 3: Cross multiply
    80,680.67x = 111,330.78 × 44,864.90
  4. Step 4: Simplify right side
    80,680.67x = 4,994,844,311.62
  5. Step 5: Solve for x
    x = 4,994,844,311.62/80,680.67
  6. Step 6: Final answer
    x = 61,908.81

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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.