Home / 80,551.62-111,158.12-44,743.92

Finding the Fourth Proportional to 80,551.62, 111,158.12 and 44,743.92

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Solution

The fourth proportional to 80,551.62, 111,158.12 and 44,743.92 is: 61,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,551.62 : 111,158.12 = 44,743.92 : x
  2. Step 2: Convert to fraction form
    80,551.62/111,158.12 = 44,743.92/x
  3. Step 3: Cross multiply
    80,551.62x = 111,158.12 × 44,743.92
  4. Step 4: Simplify right side
    80,551.62x = 4,973,650,028.63
  5. Step 5: Solve for x
    x = 4,973,650,028.63/80,551.62
  6. Step 6: Final answer
    x = 61,744.88

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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.