Home / 99,481.41-149,128.31-49,514.27

Finding the Fourth Proportional to 99,481.41, 149,128.31 and 49,514.27

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Solution

The fourth proportional to 99,481.41, 149,128.31 and 49,514.27 is: 74,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,481.41 : 149,128.31 = 49,514.27 : x
  2. Step 2: Convert to fraction form
    99,481.41/149,128.31 = 49,514.27/x
  3. Step 3: Cross multiply
    99,481.41x = 149,128.31 × 49,514.27
  4. Step 4: Simplify right side
    99,481.41x = 7,383,979,033.16
  5. Step 5: Solve for x
    x = 7,383,979,033.16/99,481.41
  6. Step 6: Final answer
    x = 74,224.71

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1.5x scale

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.