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Finding the Fourth Proportional to 48,099.12, 66,375.56 and 26,878.56

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Solution

The fourth proportional to 48,099.12, 66,375.56 and 26,878.56 is: 37,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,099.12 : 66,375.56 = 26,878.56 : x
  2. Step 2: Convert to fraction form
    48,099.12/66,375.56 = 26,878.56/x
  3. Step 3: Cross multiply
    48,099.12x = 66,375.56 × 26,878.56
  4. Step 4: Simplify right side
    48,099.12x = 1,784,079,471.99
  5. Step 5: Solve for x
    x = 1,784,079,471.99/48,099.12
  6. Step 6: Final answer
    x = 37,091.73

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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.