Home / 66,739.04-100,003.18-54,198.04

Finding the Fourth Proportional to 66,739.04, 100,003.18 and 54,198.04

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Solution

The fourth proportional to 66,739.04, 100,003.18 and 54,198.04 is: 81,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.04 : 100,003.18 = 54,198.04 : x
  2. Step 2: Convert to fraction form
    66,739.04/100,003.18 = 54,198.04/x
  3. Step 3: Cross multiply
    66,739.04x = 100,003.18 × 54,198.04
  4. Step 4: Simplify right side
    66,739.04x = 5,419,976,349.77
  5. Step 5: Solve for x
    x = 5,419,976,349.77/66,739.04
  6. Step 6: Final answer
    x = 81,211.48

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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.