Home / 105,936.12-158,924.66-40,267

Finding the Fourth Proportional to 105,936.12, 158,924.66 and 40,267

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Solution

The fourth proportional to 105,936.12, 158,924.66 and 40,267 is: 60,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,936.12 : 158,924.66 = 40,267 : x
  2. Step 2: Convert to fraction form
    105,936.12/158,924.66 = 40,267/x
  3. Step 3: Cross multiply
    105,936.12x = 158,924.66 × 40,267
  4. Step 4: Simplify right side
    105,936.12x = 6,399,419,284.22
  5. Step 5: Solve for x
    x = 6,399,419,284.22/105,936.12
  6. Step 6: Final answer
    x = 60,408.28

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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.