Home / 66,270.78-91,452.68-36,056.36

Finding the Fourth Proportional to 66,270.78, 91,452.68 and 36,056.36

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Solution

The fourth proportional to 66,270.78, 91,452.68 and 36,056.36 is: 49,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270.78 : 91,452.68 = 36,056.36 : x
  2. Step 2: Convert to fraction form
    66,270.78/91,452.68 = 36,056.36/x
  3. Step 3: Cross multiply
    66,270.78x = 91,452.68 × 36,056.36
  4. Step 4: Simplify right side
    66,270.78x = 3,297,450,753.04
  5. Step 5: Solve for x
    x = 3,297,450,753.04/66,270.78
  6. Step 6: Final answer
    x = 49,757.23

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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.