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Finding the Fourth Proportional to 68,181.12, 94,093.11 and 37,968.39

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Solution

The fourth proportional to 68,181.12, 94,093.11 and 37,968.39 is: 52,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,181.12 : 94,093.11 = 37,968.39 : x
  2. Step 2: Convert to fraction form
    68,181.12/94,093.11 = 37,968.39/x
  3. Step 3: Cross multiply
    68,181.12x = 94,093.11 × 37,968.39
  4. Step 4: Simplify right side
    68,181.12x = 3,572,563,896.79
  5. Step 5: Solve for x
    x = 3,572,563,896.79/68,181.12
  6. Step 6: Final answer
    x = 52,398.14

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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.