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Finding the Fourth Proportional to 60,143.22, 82,996.02 and 33,286.86

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Solution

The fourth proportional to 60,143.22, 82,996.02 and 33,286.86 is: 45,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,143.22 : 82,996.02 = 33,286.86 : x
  2. Step 2: Convert to fraction form
    60,143.22/82,996.02 = 33,286.86/x
  3. Step 3: Cross multiply
    60,143.22x = 82,996.02 × 33,286.86
  4. Step 4: Simplify right side
    60,143.22x = 2,762,676,898.30
  5. Step 5: Solve for x
    x = 2,762,676,898.30/60,143.22
  6. Step 6: Final answer
    x = 45,934.97

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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.