Home / 49,696.75-74,545.53-18,129.43

Finding the Fourth Proportional to 49,696.75, 74,545.53 and 18,129.43

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Solution

The fourth proportional to 49,696.75, 74,545.53 and 18,129.43 is: 27,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,696.75 : 74,545.53 = 18,129.43 : x
  2. Step 2: Convert to fraction form
    49,696.75/74,545.53 = 18,129.43/x
  3. Step 3: Cross multiply
    49,696.75x = 74,545.53 × 18,129.43
  4. Step 4: Simplify right side
    49,696.75x = 1,351,467,967.95
  5. Step 5: Solve for x
    x = 1,351,467,967.95/49,696.75
  6. Step 6: Final answer
    x = 27,194.29

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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.