Home / 68,845.39-103,206.58-33,286.82

Finding the Fourth Proportional to 68,845.39, 103,206.58 and 33,286.82

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Solution

The fourth proportional to 68,845.39, 103,206.58 and 33,286.82 is: 49,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,845.39 : 103,206.58 = 33,286.82 : x
  2. Step 2: Convert to fraction form
    68,845.39/103,206.58 = 33,286.82/x
  3. Step 3: Cross multiply
    68,845.39x = 103,206.58 × 33,286.82
  4. Step 4: Simplify right side
    68,845.39x = 3,435,419,216.45
  5. Step 5: Solve for x
    x = 3,435,419,216.45/68,845.39
  6. Step 6: Final answer
    x = 49,900.50

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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.