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Finding the Fourth Proportional to 67,435.82, 101,164.68 and 25,319.22

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Solution

The fourth proportional to 67,435.82, 101,164.68 and 25,319.22 is: 37,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,435.82 : 101,164.68 = 25,319.22 : x
  2. Step 2: Convert to fraction form
    67,435.82/101,164.68 = 25,319.22/x
  3. Step 3: Cross multiply
    67,435.82x = 101,164.68 × 25,319.22
  4. Step 4: Simplify right side
    67,435.82x = 2,561,410,789.15
  5. Step 5: Solve for x
    x = 2,561,410,789.15/67,435.82
  6. Step 6: Final answer
    x = 37,982.94

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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.