Home / 80,578.58-111,198.57-44,768.63

Finding the Fourth Proportional to 80,578.58, 111,198.57 and 44,768.63

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Solution

The fourth proportional to 80,578.58, 111,198.57 and 44,768.63 is: 61,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,578.58 : 111,198.57 = 44,768.63 : x
  2. Step 2: Convert to fraction form
    80,578.58/111,198.57 = 44,768.63/x
  3. Step 3: Cross multiply
    80,578.58x = 111,198.57 × 44,768.63
  4. Step 4: Simplify right side
    80,578.58x = 4,978,207,636.86
  5. Step 5: Solve for x
    x = 4,978,207,636.86/80,578.58
  6. Step 6: Final answer
    x = 61,780.78

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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.