Home / 80,647.11-111,286.68-44,834.94

Finding the Fourth Proportional to 80,647.11, 111,286.68 and 44,834.94

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Solution

The fourth proportional to 80,647.11, 111,286.68 and 44,834.94 is: 61,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,647.11 : 111,286.68 = 44,834.94 : x
  2. Step 2: Convert to fraction form
    80,647.11/111,286.68 = 44,834.94/x
  3. Step 3: Cross multiply
    80,647.11x = 111,286.68 × 44,834.94
  4. Step 4: Simplify right side
    80,647.11x = 4,989,531,620.60
  5. Step 5: Solve for x
    x = 4,989,531,620.60/80,647.11
  6. Step 6: Final answer
    x = 61,868.70

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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.