Home / 80,589.96-111,209.04-44,777.88

Finding the Fourth Proportional to 80,589.96, 111,209.04 and 44,777.88

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Solution

The fourth proportional to 80,589.96, 111,209.04 and 44,777.88 is: 61,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.96 : 111,209.04 = 44,777.88 : x
  2. Step 2: Convert to fraction form
    80,589.96/111,209.04 = 44,777.88/x
  3. Step 3: Cross multiply
    80,589.96x = 111,209.04 × 44,777.88
  4. Step 4: Simplify right side
    80,589.96x = 4,979,705,048.04
  5. Step 5: Solve for x
    x = 4,979,705,048.04/80,589.96
  6. Step 6: Final answer
    x = 61,790.64

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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.