Home / 66,072.26-91,180.17-35,858.09

Finding the Fourth Proportional to 66,072.26, 91,180.17 and 35,858.09

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Solution

The fourth proportional to 66,072.26, 91,180.17 and 35,858.09 is: 49,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072.26 : 91,180.17 = 35,858.09 : x
  2. Step 2: Convert to fraction form
    66,072.26/91,180.17 = 35,858.09/x
  3. Step 3: Cross multiply
    66,072.26x = 91,180.17 × 35,858.09
  4. Step 4: Simplify right side
    66,072.26x = 3,269,546,286.17
  5. Step 5: Solve for x
    x = 3,269,546,286.17/66,072.26
  6. Step 6: Final answer
    x = 49,484.41

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1.5x scale

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.