Home / 68,491.20-94,524.66-40,196.28

Finding the Fourth Proportional to 68,491.20, 94,524.66 and 40,196.28

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Solution

The fourth proportional to 68,491.20, 94,524.66 and 40,196.28 is: 55,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,491.20 : 94,524.66 = 40,196.28 : x
  2. Step 2: Convert to fraction form
    68,491.20/94,524.66 = 40,196.28/x
  3. Step 3: Cross multiply
    68,491.20x = 94,524.66 × 40,196.28
  4. Step 4: Simplify right side
    68,491.20x = 3,799,539,700.26
  5. Step 5: Solve for x
    x = 3,799,539,700.26/68,491.20
  6. Step 6: Final answer
    x = 55,474.86

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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.