Home / 70,162.05-105,169.57-32,691.23

Finding the Fourth Proportional to 70,162.05, 105,169.57 and 32,691.23

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Solution

The fourth proportional to 70,162.05, 105,169.57 and 32,691.23 is: 49,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,162.05 : 105,169.57 = 32,691.23 : x
  2. Step 2: Convert to fraction form
    70,162.05/105,169.57 = 32,691.23/x
  3. Step 3: Cross multiply
    70,162.05x = 105,169.57 × 32,691.23
  4. Step 4: Simplify right side
    70,162.05x = 3,438,121,912.57
  5. Step 5: Solve for x
    x = 3,438,121,912.57/70,162.05
  6. Step 6: Final answer
    x = 49,002.59

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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.