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Finding the Fourth Proportional to 79,793.66, 119,708.01 and 23,638.19

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Solution

The fourth proportional to 79,793.66, 119,708.01 and 23,638.19 is: 35,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.66 : 119,708.01 = 23,638.19 : x
  2. Step 2: Convert to fraction form
    79,793.66/119,708.01 = 23,638.19/x
  3. Step 3: Cross multiply
    79,793.66x = 119,708.01 × 23,638.19
  4. Step 4: Simplify right side
    79,793.66x = 2,829,680,086.36
  5. Step 5: Solve for x
    x = 2,829,680,086.36/79,793.66
  6. Step 6: Final answer
    x = 35,462.47

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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.