Home / 107,736.75-161,605.12-55,117.53

Finding the Fourth Proportional to 107,736.75, 161,605.12 and 55,117.53

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Solution

The fourth proportional to 107,736.75, 161,605.12 and 55,117.53 is: 82,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,736.75 : 161,605.12 = 55,117.53 : x
  2. Step 2: Convert to fraction form
    107,736.75/161,605.12 = 55,117.53/x
  3. Step 3: Cross multiply
    107,736.75x = 161,605.12 × 55,117.53
  4. Step 4: Simplify right side
    107,736.75x = 8,907,275,049.75
  5. Step 5: Solve for x
    x = 8,907,275,049.75/107,736.75
  6. Step 6: Final answer
    x = 82,676.29

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1.5x scale

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.