Home / 69,912.32-104,867.46-17,321.45

Finding the Fourth Proportional to 69,912.32, 104,867.46 and 17,321.45

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Solution

The fourth proportional to 69,912.32, 104,867.46 and 17,321.45 is: 25,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.32 : 104,867.46 = 17,321.45 : x
  2. Step 2: Convert to fraction form
    69,912.32/104,867.46 = 17,321.45/x
  3. Step 3: Cross multiply
    69,912.32x = 104,867.46 × 17,321.45
  4. Step 4: Simplify right side
    69,912.32x = 1,816,455,940.68
  5. Step 5: Solve for x
    x = 1,816,455,940.68/69,912.32
  6. Step 6: Final answer
    x = 25,981.92

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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.