Home / 66,138.46-99,207.15-26,694.97

Finding the Fourth Proportional to 66,138.46, 99,207.15 and 26,694.97

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Solution

The fourth proportional to 66,138.46, 99,207.15 and 26,694.97 is: 40,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,138.46 : 99,207.15 = 26,694.97 : x
  2. Step 2: Convert to fraction form
    66,138.46/99,207.15 = 26,694.97/x
  3. Step 3: Cross multiply
    66,138.46x = 99,207.15 × 26,694.97
  4. Step 4: Simplify right side
    66,138.46x = 2,648,331,759.56
  5. Step 5: Solve for x
    x = 2,648,331,759.56/66,138.46
  6. Step 6: Final answer
    x = 40,042.24

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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.