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Finding the Fourth Proportional to 67,043.91, 100,564.30 and 33,755.03

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Solution

The fourth proportional to 67,043.91, 100,564.30 and 33,755.03 is: 50,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,043.91 : 100,564.30 = 33,755.03 : x
  2. Step 2: Convert to fraction form
    67,043.91/100,564.30 = 33,755.03/x
  3. Step 3: Cross multiply
    67,043.91x = 100,564.30 × 33,755.03
  4. Step 4: Simplify right side
    67,043.91x = 3,394,551,257.03
  5. Step 5: Solve for x
    x = 3,394,551,257.03/67,043.91
  6. Step 6: Final answer
    x = 50,631.76

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1.5x scale

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.