Home / 66,199.26-91,356.75-35,986.61

Finding the Fourth Proportional to 66,199.26, 91,356.75 and 35,986.61

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Solution

The fourth proportional to 66,199.26, 91,356.75 and 35,986.61 is: 49,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,199.26 : 91,356.75 = 35,986.61 : x
  2. Step 2: Convert to fraction form
    66,199.26/91,356.75 = 35,986.61/x
  3. Step 3: Cross multiply
    66,199.26x = 91,356.75 × 35,986.61
  4. Step 4: Simplify right side
    66,199.26x = 3,287,619,276.33
  5. Step 5: Solve for x
    x = 3,287,619,276.33/66,199.26
  6. Step 6: Final answer
    x = 49,662.48

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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.