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Finding the Fourth Proportional to 73,159, 100,959.44 and 39,625

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Solution

The fourth proportional to 73,159, 100,959.44 and 39,625 is: 54,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159 : 100,959.44 = 39,625 : x
  2. Step 2: Convert to fraction form
    73,159/100,959.44 = 39,625/x
  3. Step 3: Cross multiply
    73,159x = 100,959.44 × 39,625
  4. Step 4: Simplify right side
    73,159x = 4,000,517,810
  5. Step 5: Solve for x
    x = 4,000,517,810/73,159
  6. Step 6: Final answer
    x = 54,682.51

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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.