Home / 80,450.04-111,018.42-48,613.44

Finding the Fourth Proportional to 80,450.04, 111,018.42 and 48,613.44

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Solution

The fourth proportional to 80,450.04, 111,018.42 and 48,613.44 is: 67,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,450.04 : 111,018.42 = 48,613.44 : x
  2. Step 2: Convert to fraction form
    80,450.04/111,018.42 = 48,613.44/x
  3. Step 3: Cross multiply
    80,450.04x = 111,018.42 × 48,613.44
  4. Step 4: Simplify right side
    80,450.04x = 5,396,987,299.56
  5. Step 5: Solve for x
    x = 5,396,987,299.56/80,450.04
  6. Step 6: Final answer
    x = 67,084.95

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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.