Home / 103,951.09-155,945.87-32,891.62

Finding the Fourth Proportional to 103,951.09, 155,945.87 and 32,891.62

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Solution

The fourth proportional to 103,951.09, 155,945.87 and 32,891.62 is: 49,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,951.09 : 155,945.87 = 32,891.62 : x
  2. Step 2: Convert to fraction form
    103,951.09/155,945.87 = 32,891.62/x
  3. Step 3: Cross multiply
    103,951.09x = 155,945.87 × 32,891.62
  4. Step 4: Simplify right side
    103,951.09x = 5,129,311,742.29
  5. Step 5: Solve for x
    x = 5,129,311,742.29/103,951.09
  6. Step 6: Final answer
    x = 49,343.51

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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.