Home / 73,161.29-109,734.05-49,619.96

Finding the Fourth Proportional to 73,161.29, 109,734.05 and 49,619.96

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Solution

The fourth proportional to 73,161.29, 109,734.05 and 49,619.96 is: 74,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,161.29 : 109,734.05 = 49,619.96 : x
  2. Step 2: Convert to fraction form
    73,161.29/109,734.05 = 49,619.96/x
  3. Step 3: Cross multiply
    73,161.29x = 109,734.05 × 49,619.96
  4. Step 4: Simplify right side
    73,161.29x = 5,444,998,622.97
  5. Step 5: Solve for x
    x = 5,444,998,622.97/73,161.29
  6. Step 6: Final answer
    x = 74,424.59

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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.