Home / 80,286.56-110,795.43-44,478.89

Finding the Fourth Proportional to 80,286.56, 110,795.43 and 44,478.89

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Solution

The fourth proportional to 80,286.56, 110,795.43 and 44,478.89 is: 61,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,286.56 : 110,795.43 = 44,478.89 : x
  2. Step 2: Convert to fraction form
    80,286.56/110,795.43 = 44,478.89/x
  3. Step 3: Cross multiply
    80,286.56x = 110,795.43 × 44,478.89
  4. Step 4: Simplify right side
    80,286.56x = 4,928,057,743.47
  5. Step 5: Solve for x
    x = 4,928,057,743.47/80,286.56
  6. Step 6: Final answer
    x = 61,380.86

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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.