Home / 69,408.03-104,112.09-16,817.61

Finding the Fourth Proportional to 69,408.03, 104,112.09 and 16,817.61

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Solution

The fourth proportional to 69,408.03, 104,112.09 and 16,817.61 is: 25,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.03 : 104,112.09 = 16,817.61 : x
  2. Step 2: Convert to fraction form
    69,408.03/104,112.09 = 16,817.61/x
  3. Step 3: Cross multiply
    69,408.03x = 104,112.09 × 16,817.61
  4. Step 4: Simplify right side
    69,408.03x = 1,750,916,525.90
  5. Step 5: Solve for x
    x = 1,750,916,525.90/69,408.03
  6. Step 6: Final answer
    x = 25,226.43

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1.5x scale

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.