Home / 68,786.12-103,040.94-35,885

Finding the Fourth Proportional to 68,786.12, 103,040.94 and 35,885

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Solution

The fourth proportional to 68,786.12, 103,040.94 and 35,885 is: 53,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.12 : 103,040.94 = 35,885 : x
  2. Step 2: Convert to fraction form
    68,786.12/103,040.94 = 35,885/x
  3. Step 3: Cross multiply
    68,786.12x = 103,040.94 × 35,885
  4. Step 4: Simplify right side
    68,786.12x = 3,697,624,131.90
  5. Step 5: Solve for x
    x = 3,697,624,131.90/68,786.12
  6. Step 6: Final answer
    x = 53,755.38

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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.