Home / 49,718.10-74,576.48-18,135.12

Finding the Fourth Proportional to 49,718.10, 74,576.48 and 18,135.12

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Solution

The fourth proportional to 49,718.10, 74,576.48 and 18,135.12 is: 27,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,718.10 : 74,576.48 = 18,135.12 : x
  2. Step 2: Convert to fraction form
    49,718.10/74,576.48 = 18,135.12/x
  3. Step 3: Cross multiply
    49,718.10x = 74,576.48 × 18,135.12
  4. Step 4: Simplify right side
    49,718.10x = 1,352,453,555.08
  5. Step 5: Solve for x
    x = 1,352,453,555.08/49,718.10
  6. Step 6: Final answer
    x = 27,202.44

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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.