Home / 80,645.32-111,294.24-44,839

Finding the Fourth Proportional to 80,645.32, 111,294.24 and 44,839

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Solution

The fourth proportional to 80,645.32, 111,294.24 and 44,839 is: 61,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.32 : 111,294.24 = 44,839 : x
  2. Step 2: Convert to fraction form
    80,645.32/111,294.24 = 44,839/x
  3. Step 3: Cross multiply
    80,645.32x = 111,294.24 × 44,839
  4. Step 4: Simplify right side
    80,645.32x = 4,990,322,427.36
  5. Step 5: Solve for x
    x = 4,990,322,427.36/80,645.32
  6. Step 6: Final answer
    x = 61,879.88

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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.