Home / 49,874.07-68,828.85-28,654.71

Finding the Fourth Proportional to 49,874.07, 68,828.85 and 28,654.71

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Solution

The fourth proportional to 49,874.07, 68,828.85 and 28,654.71 is: 39,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,874.07 : 68,828.85 = 28,654.71 : x
  2. Step 2: Convert to fraction form
    49,874.07/68,828.85 = 28,654.71/x
  3. Step 3: Cross multiply
    49,874.07x = 68,828.85 × 28,654.71
  4. Step 4: Simplify right side
    49,874.07x = 1,972,270,736.38
  5. Step 5: Solve for x
    x = 1,972,270,736.38/49,874.07
  6. Step 6: Final answer
    x = 39,545.01

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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.