Home / 84,367.28-126,613.09-39,993.86

Finding the Fourth Proportional to 84,367.28, 126,613.09 and 39,993.86

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Solution

The fourth proportional to 84,367.28, 126,613.09 and 39,993.86 is: 60,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367.28 : 126,613.09 = 39,993.86 : x
  2. Step 2: Convert to fraction form
    84,367.28/126,613.09 = 39,993.86/x
  3. Step 3: Cross multiply
    84,367.28x = 126,613.09 × 39,993.86
  4. Step 4: Simplify right side
    84,367.28x = 5,063,746,195.63
  5. Step 5: Solve for x
    x = 5,063,746,195.63/84,367.28
  6. Step 6: Final answer
    x = 60,020.26

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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.