Home / 75,116.82-103,661.19-43,304.16

Finding the Fourth Proportional to 75,116.82, 103,661.19 and 43,304.16

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Solution

The fourth proportional to 75,116.82, 103,661.19 and 43,304.16 is: 59,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.82 : 103,661.19 = 43,304.16 : x
  2. Step 2: Convert to fraction form
    75,116.82/103,661.19 = 43,304.16/x
  3. Step 3: Cross multiply
    75,116.82x = 103,661.19 × 43,304.16
  4. Step 4: Simplify right side
    75,116.82x = 4,488,960,757.55
  5. Step 5: Solve for x
    x = 4,488,960,757.55/75,116.82
  6. Step 6: Final answer
    x = 59,759.73

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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.