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Finding the Fourth Proportional to 79,949.43, 119,898.63 and 32,564.43

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Solution

The fourth proportional to 79,949.43, 119,898.63 and 32,564.43 is: 48,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949.43 : 119,898.63 = 32,564.43 : x
  2. Step 2: Convert to fraction form
    79,949.43/119,898.63 = 32,564.43/x
  3. Step 3: Cross multiply
    79,949.43x = 119,898.63 × 32,564.43
  4. Step 4: Simplify right side
    79,949.43x = 3,904,430,543.73
  5. Step 5: Solve for x
    x = 3,904,430,543.73/79,949.43
  6. Step 6: Final answer
    x = 48,836.25

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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.