Home / 82,589.88-123,929.94-35,842.68

Finding the Fourth Proportional to 82,589.88, 123,929.94 and 35,842.68

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Solution

The fourth proportional to 82,589.88, 123,929.94 and 35,842.68 is: 53,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,589.88 : 123,929.94 = 35,842.68 : x
  2. Step 2: Convert to fraction form
    82,589.88/123,929.94 = 35,842.68/x
  3. Step 3: Cross multiply
    82,589.88x = 123,929.94 × 35,842.68
  4. Step 4: Simplify right side
    82,589.88x = 4,441,981,181.84
  5. Step 5: Solve for x
    x = 4,441,981,181.84/82,589.88
  6. Step 6: Final answer
    x = 53,783.60

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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.