Home / 68,745.49-94,867.05-40,063.29

Finding the Fourth Proportional to 68,745.49, 94,867.05 and 40,063.29

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Solution

The fourth proportional to 68,745.49, 94,867.05 and 40,063.29 is: 55,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,745.49 : 94,867.05 = 40,063.29 : x
  2. Step 2: Convert to fraction form
    68,745.49/94,867.05 = 40,063.29/x
  3. Step 3: Cross multiply
    68,745.49x = 94,867.05 × 40,063.29
  4. Step 4: Simplify right side
    68,745.49x = 3,800,686,135.59
  5. Step 5: Solve for x
    x = 3,800,686,135.59/68,745.49
  6. Step 6: Final answer
    x = 55,286.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.