Home / 68,836.10-94,992.09-40,543.70

Finding the Fourth Proportional to 68,836.10, 94,992.09 and 40,543.70

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Solution

The fourth proportional to 68,836.10, 94,992.09 and 40,543.70 is: 55,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.10 : 94,992.09 = 40,543.70 : x
  2. Step 2: Convert to fraction form
    68,836.10/94,992.09 = 40,543.70/x
  3. Step 3: Cross multiply
    68,836.10x = 94,992.09 × 40,543.70
  4. Step 4: Simplify right side
    68,836.10x = 3,851,330,799.33
  5. Step 5: Solve for x
    x = 3,851,330,799.33/68,836.10
  6. Step 6: Final answer
    x = 55,949.29

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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.