Home / 69,679.78-96,137.49-41,388.10

Finding the Fourth Proportional to 69,679.78, 96,137.49 and 41,388.10

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Solution

The fourth proportional to 69,679.78, 96,137.49 and 41,388.10 is: 57,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679.78 : 96,137.49 = 41,388.10 : x
  2. Step 2: Convert to fraction form
    69,679.78/96,137.49 = 41,388.10/x
  3. Step 3: Cross multiply
    69,679.78x = 96,137.49 × 41,388.10
  4. Step 4: Simplify right side
    69,679.78x = 3,978,948,049.87
  5. Step 5: Solve for x
    x = 3,978,948,049.87/69,679.78
  6. Step 6: Final answer
    x = 57,103.34

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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.