Home / 80,539.56-120,754.26-41,020.20

Finding the Fourth Proportional to 80,539.56, 120,754.26 and 41,020.20

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Solution

The fourth proportional to 80,539.56, 120,754.26 and 41,020.20 is: 61,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,539.56 : 120,754.26 = 41,020.20 : x
  2. Step 2: Convert to fraction form
    80,539.56/120,754.26 = 41,020.20/x
  3. Step 3: Cross multiply
    80,539.56x = 120,754.26 × 41,020.20
  4. Step 4: Simplify right side
    80,539.56x = 4,953,363,896.05
  5. Step 5: Solve for x
    x = 4,953,363,896.05/80,539.56
  6. Step 6: Final answer
    x = 61,502.25

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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.