Home / 99,481.78-149,261.52-37,157.14

Finding the Fourth Proportional to 99,481.78, 149,261.52 and 37,157.14

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Solution

The fourth proportional to 99,481.78, 149,261.52 and 37,157.14 is: 55,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,481.78 : 149,261.52 = 37,157.14 : x
  2. Step 2: Convert to fraction form
    99,481.78/149,261.52 = 37,157.14/x
  3. Step 3: Cross multiply
    99,481.78x = 149,261.52 × 37,157.14
  4. Step 4: Simplify right side
    99,481.78x = 5,546,131,195.25
  5. Step 5: Solve for x
    x = 5,546,131,195.25/99,481.78
  6. Step 6: Final answer
    x = 55,750.22

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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.