Home / 68,378.25-94,365.68-40,093.05

Finding the Fourth Proportional to 68,378.25, 94,365.68 and 40,093.05

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Solution

The fourth proportional to 68,378.25, 94,365.68 and 40,093.05 is: 55,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,378.25 : 94,365.68 = 40,093.05 : x
  2. Step 2: Convert to fraction form
    68,378.25/94,365.68 = 40,093.05/x
  3. Step 3: Cross multiply
    68,378.25x = 94,365.68 × 40,093.05
  4. Step 4: Simplify right side
    68,378.25x = 3,783,407,726.06
  5. Step 5: Solve for x
    x = 3,783,407,726.06/68,378.25
  6. Step 6: Final answer
    x = 55,330.57

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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.