Home / 66,747.79-100,089.28-25,198.03

Finding the Fourth Proportional to 66,747.79, 100,089.28 and 25,198.03

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Solution

The fourth proportional to 66,747.79, 100,089.28 and 25,198.03 is: 37,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,747.79 : 100,089.28 = 25,198.03 : x
  2. Step 2: Convert to fraction form
    66,747.79/100,089.28 = 25,198.03/x
  3. Step 3: Cross multiply
    66,747.79x = 100,089.28 × 25,198.03
  4. Step 4: Simplify right side
    66,747.79x = 2,522,052,680.12
  5. Step 5: Solve for x
    x = 2,522,052,680.12/66,747.79
  6. Step 6: Final answer
    x = 37,784.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.