Home / 107,521.75-161,181.82-36,394.61

Finding the Fourth Proportional to 107,521.75, 161,181.82 and 36,394.61

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Solution

The fourth proportional to 107,521.75, 161,181.82 and 36,394.61 is: 54,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,521.75 : 161,181.82 = 36,394.61 : x
  2. Step 2: Convert to fraction form
    107,521.75/161,181.82 = 36,394.61/x
  3. Step 3: Cross multiply
    107,521.75x = 161,181.82 × 36,394.61
  4. Step 4: Simplify right side
    107,521.75x = 5,866,149,477.99
  5. Step 5: Solve for x
    x = 5,866,149,477.99/107,521.75
  6. Step 6: Final answer
    x = 54,557.79

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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.