Home / 68,067.24-101,996.91-28,602.78

Finding the Fourth Proportional to 68,067.24, 101,996.91 and 28,602.78

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Solution

The fourth proportional to 68,067.24, 101,996.91 and 28,602.78 is: 42,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,067.24 : 101,996.91 = 28,602.78 : x
  2. Step 2: Convert to fraction form
    68,067.24/101,996.91 = 28,602.78/x
  3. Step 3: Cross multiply
    68,067.24x = 101,996.91 × 28,602.78
  4. Step 4: Simplify right side
    68,067.24x = 2,917,395,177.41
  5. Step 5: Solve for x
    x = 2,917,395,177.41/68,067.24
  6. Step 6: Final answer
    x = 42,860.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.