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Finding the Fourth Proportional to 73,800, 101,844 and 43,992

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Solution

The fourth proportional to 73,800, 101,844 and 43,992 is: 60,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,800 : 101,844 = 43,992 : x
  2. Step 2: Convert to fraction form
    73,800/101,844 = 43,992/x
  3. Step 3: Cross multiply
    73,800x = 101,844 × 43,992
  4. Step 4: Simplify right side
    73,800x = 4,480,321,248
  5. Step 5: Solve for x
    x = 4,480,321,248/73,800
  6. Step 6: Final answer
    x = 60,708.96

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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.