Home / 120,728.14-181,092.24-41,842.42

Finding the Fourth Proportional to 120,728.14, 181,092.24 and 41,842.42

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Solution

The fourth proportional to 120,728.14, 181,092.24 and 41,842.42 is: 62,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,728.14 : 181,092.24 = 41,842.42 : x
  2. Step 2: Convert to fraction form
    120,728.14/181,092.24 = 41,842.42/x
  3. Step 3: Cross multiply
    120,728.14x = 181,092.24 × 41,842.42
  4. Step 4: Simplify right side
    120,728.14x = 7,577,337,564.82
  5. Step 5: Solve for x
    x = 7,577,337,564.82/120,728.14
  6. Step 6: Final answer
    x = 62,763.64

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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.