Home / 49,078.78-73,640.04-25,699.75

Finding the Fourth Proportional to 49,078.78, 73,640.04 and 25,699.75

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Solution

The fourth proportional to 49,078.78, 73,640.04 and 25,699.75 is: 38,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,078.78 : 73,640.04 = 25,699.75 : x
  2. Step 2: Convert to fraction form
    49,078.78/73,640.04 = 25,699.75/x
  3. Step 3: Cross multiply
    49,078.78x = 73,640.04 × 25,699.75
  4. Step 4: Simplify right side
    49,078.78x = 1,892,530,617.99
  5. Step 5: Solve for x
    x = 1,892,530,617.99/49,078.78
  6. Step 6: Final answer
    x = 38,561.08

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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.