Home / 66,922.11-100,249.33-40,253.38

Finding the Fourth Proportional to 66,922.11, 100,249.33 and 40,253.38

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Solution

The fourth proportional to 66,922.11, 100,249.33 and 40,253.38 is: 60,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.11 : 100,249.33 = 40,253.38 : x
  2. Step 2: Convert to fraction form
    66,922.11/100,249.33 = 40,253.38/x
  3. Step 3: Cross multiply
    66,922.11x = 100,249.33 × 40,253.38
  4. Step 4: Simplify right side
    66,922.11x = 4,035,373,873.99
  5. Step 5: Solve for x
    x = 4,035,373,873.99/66,922.11
  6. Step 6: Final answer
    x = 60,299.56

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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.