Home / 66,105.68-99,197.92-23,989.05

Finding the Fourth Proportional to 66,105.68, 99,197.92 and 23,989.05

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Solution

The fourth proportional to 66,105.68, 99,197.92 and 23,989.05 is: 35,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,105.68 : 99,197.92 = 23,989.05 : x
  2. Step 2: Convert to fraction form
    66,105.68/99,197.92 = 23,989.05/x
  3. Step 3: Cross multiply
    66,105.68x = 99,197.92 × 23,989.05
  4. Step 4: Simplify right side
    66,105.68x = 2,379,663,862.78
  5. Step 5: Solve for x
    x = 2,379,663,862.78/66,105.68
  6. Step 6: Final answer
    x = 35,997.87

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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.