Home / 80,695.12-111,361.96-44,398.08

Finding the Fourth Proportional to 80,695.12, 111,361.96 and 44,398.08

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Solution

The fourth proportional to 80,695.12, 111,361.96 and 44,398.08 is: 61,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,695.12 : 111,361.96 = 44,398.08 : x
  2. Step 2: Convert to fraction form
    80,695.12/111,361.96 = 44,398.08/x
  3. Step 3: Cross multiply
    80,695.12x = 111,361.96 × 44,398.08
  4. Step 4: Simplify right side
    80,695.12x = 4,944,257,209.04
  5. Step 5: Solve for x
    x = 4,944,257,209.04/80,695.12
  6. Step 6: Final answer
    x = 61,270.83

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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.