Home / 69,831.80-104,747.92-17,241.28

Finding the Fourth Proportional to 69,831.80, 104,747.92 and 17,241.28

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Solution

The fourth proportional to 69,831.80, 104,747.92 and 17,241.28 is: 25,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,831.80 : 104,747.92 = 17,241.28 : x
  2. Step 2: Convert to fraction form
    69,831.80/104,747.92 = 17,241.28/x
  3. Step 3: Cross multiply
    69,831.80x = 104,747.92 × 17,241.28
  4. Step 4: Simplify right side
    69,831.80x = 1,805,988,218.14
  5. Step 5: Solve for x
    x = 1,805,988,218.14/69,831.80
  6. Step 6: Final answer
    x = 25,861.97

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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.