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Finding the Fourth Proportional to 68,325, 94,288.52 and 38,517

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Solution

The fourth proportional to 68,325, 94,288.52 and 38,517 is: 53,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,325 : 94,288.52 = 38,517 : x
  2. Step 2: Convert to fraction form
    68,325/94,288.52 = 38,517/x
  3. Step 3: Cross multiply
    68,325x = 94,288.52 × 38,517
  4. Step 4: Simplify right side
    68,325x = 3,631,710,924.84
  5. Step 5: Solve for x
    x = 3,631,710,924.84/68,325
  6. Step 6: Final answer
    x = 53,153.47

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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.