Home / 107,469.20-160,985.10-54,908.30

Finding the Fourth Proportional to 107,469.20, 160,985.10 and 54,908.30

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Solution

The fourth proportional to 107,469.20, 160,985.10 and 54,908.30 is: 82,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,469.20 : 160,985.10 = 54,908.30 : x
  2. Step 2: Convert to fraction form
    107,469.20/160,985.10 = 54,908.30/x
  3. Step 3: Cross multiply
    107,469.20x = 160,985.10 × 54,908.30
  4. Step 4: Simplify right side
    107,469.20x = 8,839,418,166.33
  5. Step 5: Solve for x
    x = 8,839,418,166.33/107,469.20
  6. Step 6: Final answer
    x = 82,250.71

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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.