Home / 69,936.97-104,906.19-55,985.68

Finding the Fourth Proportional to 69,936.97, 104,906.19 and 55,985.68

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Solution

The fourth proportional to 69,936.97, 104,906.19 and 55,985.68 is: 83,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.97 : 104,906.19 = 55,985.68 : x
  2. Step 2: Convert to fraction form
    69,936.97/104,906.19 = 55,985.68/x
  3. Step 3: Cross multiply
    69,936.97x = 104,906.19 × 55,985.68
  4. Step 4: Simplify right side
    69,936.97x = 5,873,244,409.52
  5. Step 5: Solve for x
    x = 5,873,244,409.52/69,936.97
  6. Step 6: Final answer
    x = 83,979.11

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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.