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Finding the Fourth Proportional to 95,987.39, 132,469.02 and 55,701

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Solution

The fourth proportional to 95,987.39, 132,469.02 and 55,701 is: 76,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,987.39 : 132,469.02 = 55,701 : x
  2. Step 2: Convert to fraction form
    95,987.39/132,469.02 = 55,701/x
  3. Step 3: Cross multiply
    95,987.39x = 132,469.02 × 55,701
  4. Step 4: Simplify right side
    95,987.39x = 7,378,656,883.02
  5. Step 5: Solve for x
    x = 7,378,656,883.02/95,987.39
  6. Step 6: Final answer
    x = 76,871.11

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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.