Home / 49,874.76-68,817.14-31,732.68

Finding the Fourth Proportional to 49,874.76, 68,817.14 and 31,732.68

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Solution

The fourth proportional to 49,874.76, 68,817.14 and 31,732.68 is: 43,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,874.76 : 68,817.14 = 31,732.68 : x
  2. Step 2: Convert to fraction form
    49,874.76/68,817.14 = 31,732.68/x
  3. Step 3: Cross multiply
    49,874.76x = 68,817.14 × 31,732.68
  4. Step 4: Simplify right side
    49,874.76x = 2,183,752,282.14
  5. Step 5: Solve for x
    x = 2,183,752,282.14/49,874.76
  6. Step 6: Final answer
    x = 43,784.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.