Home / 68,491.44-94,517.28-38,279.52

Finding the Fourth Proportional to 68,491.44, 94,517.28 and 38,279.52

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Solution

The fourth proportional to 68,491.44, 94,517.28 and 38,279.52 is: 52,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,491.44 : 94,517.28 = 38,279.52 : x
  2. Step 2: Convert to fraction form
    68,491.44/94,517.28 = 38,279.52/x
  3. Step 3: Cross multiply
    68,491.44x = 94,517.28 × 38,279.52
  4. Step 4: Simplify right side
    68,491.44x = 3,618,076,110.11
  5. Step 5: Solve for x
    x = 3,618,076,110.11/68,491.44
  6. Step 6: Final answer
    x = 52,825.23

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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.