Home / 66,196.18-99,238.38-28,727.92

Finding the Fourth Proportional to 66,196.18, 99,238.38 and 28,727.92

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Solution

The fourth proportional to 66,196.18, 99,238.38 and 28,727.92 is: 43,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,196.18 : 99,238.38 = 28,727.92 : x
  2. Step 2: Convert to fraction form
    66,196.18/99,238.38 = 28,727.92/x
  3. Step 3: Cross multiply
    66,196.18x = 99,238.38 × 28,727.92
  4. Step 4: Simplify right side
    66,196.18x = 2,850,912,241.57
  5. Step 5: Solve for x
    x = 2,850,912,241.57/66,196.18
  6. Step 6: Final answer
    x = 43,067.62

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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.