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Finding the Fourth Proportional to 68,287.86, 94,282.48 and 44,099.64

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Solution

The fourth proportional to 68,287.86, 94,282.48 and 44,099.64 is: 60,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,287.86 : 94,282.48 = 44,099.64 : x
  2. Step 2: Convert to fraction form
    68,287.86/94,282.48 = 44,099.64/x
  3. Step 3: Cross multiply
    68,287.86x = 94,282.48 × 44,099.64
  4. Step 4: Simplify right side
    68,287.86x = 4,157,823,481.43
  5. Step 5: Solve for x
    x = 4,157,823,481.43/68,287.86
  6. Step 6: Final answer
    x = 60,886.72

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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.