Home / 107,836.20-161,754.30-54,692.10

Finding the Fourth Proportional to 107,836.20, 161,754.30 and 54,692.10

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Solution

The fourth proportional to 107,836.20, 161,754.30 and 54,692.10 is: 82,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,836.20 : 161,754.30 = 54,692.10 : x
  2. Step 2: Convert to fraction form
    107,836.20/161,754.30 = 54,692.10/x
  3. Step 3: Cross multiply
    107,836.20x = 161,754.30 × 54,692.10
  4. Step 4: Simplify right side
    107,836.20x = 8,846,682,351.03
  5. Step 5: Solve for x
    x = 8,846,682,351.03/107,836.20
  6. Step 6: Final answer
    x = 82,038.15

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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.