Home / 66,657.20-99,987.60-29,198

Finding the Fourth Proportional to 66,657.20, 99,987.60 and 29,198

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Solution

The fourth proportional to 66,657.20, 99,987.60 and 29,198 is: 43,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,657.20 : 99,987.60 = 29,198 : x
  2. Step 2: Convert to fraction form
    66,657.20/99,987.60 = 29,198/x
  3. Step 3: Cross multiply
    66,657.20x = 99,987.60 × 29,198
  4. Step 4: Simplify right side
    66,657.20x = 2,919,437,944.80
  5. Step 5: Solve for x
    x = 2,919,437,944.80/66,657.20
  6. Step 6: Final answer
    x = 43,797.79

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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.