Home / 75,481.28-104,161.92-43,214.83

Finding the Fourth Proportional to 75,481.28, 104,161.92 and 43,214.83

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Solution

The fourth proportional to 75,481.28, 104,161.92 and 43,214.83 is: 59,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481.28 : 104,161.92 = 43,214.83 : x
  2. Step 2: Convert to fraction form
    75,481.28/104,161.92 = 43,214.83/x
  3. Step 3: Cross multiply
    75,481.28x = 104,161.92 × 43,214.83
  4. Step 4: Simplify right side
    75,481.28x = 4,501,339,242.81
  5. Step 5: Solve for x
    x = 4,501,339,242.81/75,481.28
  6. Step 6: Final answer
    x = 59,635.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.