Home / 66,127.62-91,255.50-35,912.28

Finding the Fourth Proportional to 66,127.62, 91,255.50 and 35,912.28

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Solution

The fourth proportional to 66,127.62, 91,255.50 and 35,912.28 is: 49,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.62 : 91,255.50 = 35,912.28 : x
  2. Step 2: Convert to fraction form
    66,127.62/91,255.50 = 35,912.28/x
  3. Step 3: Cross multiply
    66,127.62x = 91,255.50 × 35,912.28
  4. Step 4: Simplify right side
    66,127.62x = 3,277,193,067.54
  5. Step 5: Solve for x
    x = 3,277,193,067.54/66,127.62
  6. Step 6: Final answer
    x = 49,558.61

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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.