Home / 82,101.15-123,292.43-50,697.03

Finding the Fourth Proportional to 82,101.15, 123,292.43 and 50,697.03

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Solution

The fourth proportional to 82,101.15, 123,292.43 and 50,697.03 is: 76,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,101.15 : 123,292.43 = 50,697.03 : x
  2. Step 2: Convert to fraction form
    82,101.15/123,292.43 = 50,697.03/x
  3. Step 3: Cross multiply
    82,101.15x = 123,292.43 × 50,697.03
  4. Step 4: Simplify right side
    82,101.15x = 6,250,560,022.48
  5. Step 5: Solve for x
    x = 6,250,560,022.48/82,101.15
  6. Step 6: Final answer
    x = 76,132.43

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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.