Home / 80,451.11-111,022.72-44,641.22

Finding the Fourth Proportional to 80,451.11, 111,022.72 and 44,641.22

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Solution

The fourth proportional to 80,451.11, 111,022.72 and 44,641.22 is: 61,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451.11 : 111,022.72 = 44,641.22 : x
  2. Step 2: Convert to fraction form
    80,451.11/111,022.72 = 44,641.22/x
  3. Step 3: Cross multiply
    80,451.11x = 111,022.72 × 44,641.22
  4. Step 4: Simplify right side
    80,451.11x = 4,956,189,001.80
  5. Step 5: Solve for x
    x = 4,956,189,001.80/80,451.11
  6. Step 6: Final answer
    x = 61,604.98

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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.