Home / 66,083.28-91,270.62-43,523.10

Finding the Fourth Proportional to 66,083.28, 91,270.62 and 43,523.10

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Solution

The fourth proportional to 66,083.28, 91,270.62 and 43,523.10 is: 60,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.28 : 91,270.62 = 43,523.10 : x
  2. Step 2: Convert to fraction form
    66,083.28/91,270.62 = 43,523.10/x
  3. Step 3: Cross multiply
    66,083.28x = 91,270.62 × 43,523.10
  4. Step 4: Simplify right side
    66,083.28x = 3,972,380,321.32
  5. Step 5: Solve for x
    x = 3,972,380,321.32/66,083.28
  6. Step 6: Final answer
    x = 60,111.73

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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.