Home / 107,812.20-161,718.30-33,930.60

Finding the Fourth Proportional to 107,812.20, 161,718.30 and 33,930.60

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Solution

The fourth proportional to 107,812.20, 161,718.30 and 33,930.60 is: 50,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812.20 : 161,718.30 = 33,930.60 : x
  2. Step 2: Convert to fraction form
    107,812.20/161,718.30 = 33,930.60/x
  3. Step 3: Cross multiply
    107,812.20x = 161,718.30 × 33,930.60
  4. Step 4: Simplify right side
    107,812.20x = 5,487,198,949.98
  5. Step 5: Solve for x
    x = 5,487,198,949.98/107,812.20
  6. Step 6: Final answer
    x = 50,895.90

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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.