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Finding the Fourth Proportional to 67,404, 101,108.44 and 25,279.80

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Solution

The fourth proportional to 67,404, 101,108.44 and 25,279.80 is: 37,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,404 : 101,108.44 = 25,279.80 : x
  2. Step 2: Convert to fraction form
    67,404/101,108.44 = 25,279.80/x
  3. Step 3: Cross multiply
    67,404x = 101,108.44 × 25,279.80
  4. Step 4: Simplify right side
    67,404x = 2,556,001,141.51
  5. Step 5: Solve for x
    x = 2,556,001,141.51/67,404
  6. Step 6: Final answer
    x = 37,920.62

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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.