Home / 75,680.27-104,438.79-43,867.62

Finding the Fourth Proportional to 75,680.27, 104,438.79 and 43,867.62

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Solution

The fourth proportional to 75,680.27, 104,438.79 and 43,867.62 is: 60,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.27 : 104,438.79 = 43,867.62 : x
  2. Step 2: Convert to fraction form
    75,680.27/104,438.79 = 43,867.62/x
  3. Step 3: Cross multiply
    75,680.27x = 104,438.79 × 43,867.62
  4. Step 4: Simplify right side
    75,680.27x = 4,581,481,001.55
  5. Step 5: Solve for x
    x = 4,581,481,001.55/75,680.27
  6. Step 6: Final answer
    x = 60,537.33

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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.