Home / 97,834.20-146,736.90-27,720.60

Finding the Fourth Proportional to 97,834.20, 146,736.90 and 27,720.60

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Solution

The fourth proportional to 97,834.20, 146,736.90 and 27,720.60 is: 41,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,834.20 : 146,736.90 = 27,720.60 : x
  2. Step 2: Convert to fraction form
    97,834.20/146,736.90 = 27,720.60/x
  3. Step 3: Cross multiply
    97,834.20x = 146,736.90 × 27,720.60
  4. Step 4: Simplify right side
    97,834.20x = 4,067,634,910.14
  5. Step 5: Solve for x
    x = 4,067,634,910.14/97,834.20
  6. Step 6: Final answer
    x = 41,576.82

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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.