Home / 49,434.70-74,136.69-17,840.65

Finding the Fourth Proportional to 49,434.70, 74,136.69 and 17,840.65

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Solution

The fourth proportional to 49,434.70, 74,136.69 and 17,840.65 is: 26,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,434.70 : 74,136.69 = 17,840.65 : x
  2. Step 2: Convert to fraction form
    49,434.70/74,136.69 = 17,840.65/x
  3. Step 3: Cross multiply
    49,434.70x = 74,136.69 × 17,840.65
  4. Step 4: Simplify right side
    49,434.70x = 1,322,646,738.45
  5. Step 5: Solve for x
    x = 1,322,646,738.45/49,434.70
  6. Step 6: Final answer
    x = 26,755.43

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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.