Home / 49,944.74-74,916.36-12,504.65

Finding the Fourth Proportional to 49,944.74, 74,916.36 and 12,504.65

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Solution

The fourth proportional to 49,944.74, 74,916.36 and 12,504.65 is: 18,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,944.74 : 74,916.36 = 12,504.65 : x
  2. Step 2: Convert to fraction form
    49,944.74/74,916.36 = 12,504.65/x
  3. Step 3: Cross multiply
    49,944.74x = 74,916.36 × 12,504.65
  4. Step 4: Simplify right side
    49,944.74x = 936,802,486.49
  5. Step 5: Solve for x
    x = 936,802,486.49/49,944.74
  6. Step 6: Final answer
    x = 18,756.78

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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.