Home / 107,786.10-161,703.45-32,909.70

Finding the Fourth Proportional to 107,786.10, 161,703.45 and 32,909.70

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Solution

The fourth proportional to 107,786.10, 161,703.45 and 32,909.70 is: 49,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,786.10 : 161,703.45 = 32,909.70 : x
  2. Step 2: Convert to fraction form
    107,786.10/161,703.45 = 32,909.70/x
  3. Step 3: Cross multiply
    107,786.10x = 161,703.45 × 32,909.70
  4. Step 4: Simplify right side
    107,786.10x = 5,321,612,028.47
  5. Step 5: Solve for x
    x = 5,321,612,028.47/107,786.10
  6. Step 6: Final answer
    x = 49,371.97

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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.