Home / 66,127.07-91,255.97-35,912.66

Finding the Fourth Proportional to 66,127.07, 91,255.97 and 35,912.66

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Solution

The fourth proportional to 66,127.07, 91,255.97 and 35,912.66 is: 49,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.07 : 91,255.97 = 35,912.66 : x
  2. Step 2: Convert to fraction form
    66,127.07/91,255.97 = 35,912.66/x
  3. Step 3: Cross multiply
    66,127.07x = 91,255.97 × 35,912.66
  4. Step 4: Simplify right side
    66,127.07x = 3,277,243,987.74
  5. Step 5: Solve for x
    x = 3,277,243,987.74/66,127.07
  6. Step 6: Final answer
    x = 49,559.80

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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.