Home / 80,647.10-111,286.69-44,834.93

Finding the Fourth Proportional to 80,647.10, 111,286.69 and 44,834.93

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Solution

The fourth proportional to 80,647.10, 111,286.69 and 44,834.93 is: 61,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,647.10 : 111,286.69 = 44,834.93 : x
  2. Step 2: Convert to fraction form
    80,647.10/111,286.69 = 44,834.93/x
  3. Step 3: Cross multiply
    80,647.10x = 111,286.69 × 44,834.93
  4. Step 4: Simplify right side
    80,647.10x = 4,989,530,956.08
  5. Step 5: Solve for x
    x = 4,989,530,956.08/80,647.10
  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.