Home / 66,186.05-91,336.75-35,971.44

Finding the Fourth Proportional to 66,186.05, 91,336.75 and 35,971.44

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Solution

The fourth proportional to 66,186.05, 91,336.75 and 35,971.44 is: 49,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,186.05 : 91,336.75 = 35,971.44 : x
  2. Step 2: Convert to fraction form
    66,186.05/91,336.75 = 35,971.44/x
  3. Step 3: Cross multiply
    66,186.05x = 91,336.75 × 35,971.44
  4. Step 4: Simplify right side
    66,186.05x = 3,285,514,242.56
  5. Step 5: Solve for x
    x = 3,285,514,242.56/66,186.05
  6. Step 6: Final answer
    x = 49,640.59

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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.