Home / 67,439.82-101,170.68-25,323.22

Finding the Fourth Proportional to 67,439.82, 101,170.68 and 25,323.22

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Solution

The fourth proportional to 67,439.82, 101,170.68 and 25,323.22 is: 37,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.82 : 101,170.68 = 25,323.22 : x
  2. Step 2: Convert to fraction form
    67,439.82/101,170.68 = 25,323.22/x
  3. Step 3: Cross multiply
    67,439.82x = 101,170.68 × 25,323.22
  4. Step 4: Simplify right side
    67,439.82x = 2,561,967,387.19
  5. Step 5: Solve for x
    x = 2,561,967,387.19/67,439.82
  6. Step 6: Final answer
    x = 37,988.94

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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.