Home / 49,372.53-74,219.19-39,618.51

Finding the Fourth Proportional to 49,372.53, 74,219.19 and 39,618.51

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Solution

The fourth proportional to 49,372.53, 74,219.19 and 39,618.51 is: 59,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,372.53 : 74,219.19 = 39,618.51 : x
  2. Step 2: Convert to fraction form
    49,372.53/74,219.19 = 39,618.51/x
  3. Step 3: Cross multiply
    49,372.53x = 74,219.19 × 39,618.51
  4. Step 4: Simplify right side
    49,372.53x = 2,940,453,721.21
  5. Step 5: Solve for x
    x = 2,940,453,721.21/49,372.53
  6. Step 6: Final answer
    x = 59,556.47

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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.