Home / 67,147.49-100,732.70-27,683.03

Finding the Fourth Proportional to 67,147.49, 100,732.70 and 27,683.03

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Solution

The fourth proportional to 67,147.49, 100,732.70 and 27,683.03 is: 41,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147.49 : 100,732.70 = 27,683.03 : x
  2. Step 2: Convert to fraction form
    67,147.49/100,732.70 = 27,683.03/x
  3. Step 3: Cross multiply
    67,147.49x = 100,732.70 × 27,683.03
  4. Step 4: Simplify right side
    67,147.49x = 2,788,585,921.63
  5. Step 5: Solve for x
    x = 2,788,585,921.63/67,147.49
  6. Step 6: Final answer
    x = 41,529.27

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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.