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Finding the Fourth Proportional to 66,717.40, 100,067.46 and 25,159

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Solution

The fourth proportional to 66,717.40, 100,067.46 and 25,159 is: 37,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,717.40 : 100,067.46 = 25,159 : x
  2. Step 2: Convert to fraction form
    66,717.40/100,067.46 = 25,159/x
  3. Step 3: Cross multiply
    66,717.40x = 100,067.46 × 25,159
  4. Step 4: Simplify right side
    66,717.40x = 2,517,597,226.14
  5. Step 5: Solve for x
    x = 2,517,597,226.14/66,717.40
  6. Step 6: Final answer
    x = 37,735.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.