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Finding the Fourth Proportional to 79,323.38, 119,021.38 and 34,358.48

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Solution

The fourth proportional to 79,323.38, 119,021.38 and 34,358.48 is: 51,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,323.38 : 119,021.38 = 34,358.48 : x
  2. Step 2: Convert to fraction form
    79,323.38/119,021.38 = 34,358.48/x
  3. Step 3: Cross multiply
    79,323.38x = 119,021.38 × 34,358.48
  4. Step 4: Simplify right side
    79,323.38x = 4,089,393,704.30
  5. Step 5: Solve for x
    x = 4,089,393,704.30/79,323.38
  6. Step 6: Final answer
    x = 51,553.45

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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.