Home / 80,578.08-111,197.88-44,768.13

Finding the Fourth Proportional to 80,578.08, 111,197.88 and 44,768.13

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Solution

The fourth proportional to 80,578.08, 111,197.88 and 44,768.13 is: 61,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,578.08 : 111,197.88 = 44,768.13 : x
  2. Step 2: Convert to fraction form
    80,578.08/111,197.88 = 44,768.13/x
  3. Step 3: Cross multiply
    80,578.08x = 111,197.88 × 44,768.13
  4. Step 4: Simplify right side
    80,578.08x = 4,978,121,147.56
  5. Step 5: Solve for x
    x = 4,978,121,147.56/80,578.08
  6. Step 6: Final answer
    x = 61,780.09

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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.