Home / 66,705.20-100,081.24-41,716.88

Finding the Fourth Proportional to 66,705.20, 100,081.24 and 41,716.88

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Solution

The fourth proportional to 66,705.20, 100,081.24 and 41,716.88 is: 62,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705.20 : 100,081.24 = 41,716.88 : x
  2. Step 2: Convert to fraction form
    66,705.20/100,081.24 = 41,716.88/x
  3. Step 3: Cross multiply
    66,705.20x = 100,081.24 × 41,716.88
  4. Step 4: Simplify right side
    66,705.20x = 4,175,077,079.33
  5. Step 5: Solve for x
    x = 4,175,077,079.33/66,705.20
  6. Step 6: Final answer
    x = 62,589.98

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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.