Home / 49,664.54-74,543.62-18,105.10

Finding the Fourth Proportional to 49,664.54, 74,543.62 and 18,105.10

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Solution

The fourth proportional to 49,664.54, 74,543.62 and 18,105.10 is: 27,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,664.54 : 74,543.62 = 18,105.10 : x
  2. Step 2: Convert to fraction form
    49,664.54/74,543.62 = 18,105.10/x
  3. Step 3: Cross multiply
    49,664.54x = 74,543.62 × 18,105.10
  4. Step 4: Simplify right side
    49,664.54x = 1,349,619,694.46
  5. Step 5: Solve for x
    x = 1,349,619,694.46/49,664.54
  6. Step 6: Final answer
    x = 27,174.71

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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.