Home / 71,865.41-107,811.08-29,722.59

Finding the Fourth Proportional to 71,865.41, 107,811.08 and 29,722.59

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Solution

The fourth proportional to 71,865.41, 107,811.08 and 29,722.59 is: 44,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,865.41 : 107,811.08 = 29,722.59 : x
  2. Step 2: Convert to fraction form
    71,865.41/107,811.08 = 29,722.59/x
  3. Step 3: Cross multiply
    71,865.41x = 107,811.08 × 29,722.59
  4. Step 4: Simplify right side
    71,865.41x = 3,204,424,379.68
  5. Step 5: Solve for x
    x = 3,204,424,379.68/71,865.41
  6. Step 6: Final answer
    x = 44,589.25

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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.