Home / 69,414.12-104,120.28-16,824.06

Finding the Fourth Proportional to 69,414.12, 104,120.28 and 16,824.06

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Solution

The fourth proportional to 69,414.12, 104,120.28 and 16,824.06 is: 25,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414.12 : 104,120.28 = 16,824.06 : x
  2. Step 2: Convert to fraction form
    69,414.12/104,120.28 = 16,824.06/x
  3. Step 3: Cross multiply
    69,414.12x = 104,120.28 × 16,824.06
  4. Step 4: Simplify right side
    69,414.12x = 1,751,725,837.94
  5. Step 5: Solve for x
    x = 1,751,725,837.94/69,414.12
  6. Step 6: Final answer
    x = 25,235.87

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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.