Home / 71,906.49-99,231.29-41,709.69

Finding the Fourth Proportional to 71,906.49, 99,231.29 and 41,709.69

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Solution

The fourth proportional to 71,906.49, 99,231.29 and 41,709.69 is: 57,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,906.49 : 99,231.29 = 41,709.69 : x
  2. Step 2: Convert to fraction form
    71,906.49/99,231.29 = 41,709.69/x
  3. Step 3: Cross multiply
    71,906.49x = 99,231.29 × 41,709.69
  4. Step 4: Simplify right side
    71,906.49x = 4,138,906,344.20
  5. Step 5: Solve for x
    x = 4,138,906,344.20/71,906.49
  6. Step 6: Final answer
    x = 57,559.57

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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.