Home / 66,351.06-99,626.42-57,091.95

Finding the Fourth Proportional to 66,351.06, 99,626.42 and 57,091.95

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Solution

The fourth proportional to 66,351.06, 99,626.42 and 57,091.95 is: 85,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,351.06 : 99,626.42 = 57,091.95 : x
  2. Step 2: Convert to fraction form
    66,351.06/99,626.42 = 57,091.95/x
  3. Step 3: Cross multiply
    66,351.06x = 99,626.42 × 57,091.95
  4. Step 4: Simplify right side
    66,351.06x = 5,687,866,732.05
  5. Step 5: Solve for x
    x = 5,687,866,732.05/66,351.06
  6. Step 6: Final answer
    x = 85,723.83

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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.