Home / 62,910.45-94,372.22-20,205.09

Finding the Fourth Proportional to 62,910.45, 94,372.22 and 20,205.09

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Solution

The fourth proportional to 62,910.45, 94,372.22 and 20,205.09 is: 30,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,910.45 : 94,372.22 = 20,205.09 : x
  2. Step 2: Convert to fraction form
    62,910.45/94,372.22 = 20,205.09/x
  3. Step 3: Cross multiply
    62,910.45x = 94,372.22 × 20,205.09
  4. Step 4: Simplify right side
    62,910.45x = 1,906,799,198.60
  5. Step 5: Solve for x
    x = 1,906,799,198.60/62,910.45
  6. Step 6: Final answer
    x = 30,309.74

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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.