Home / 99,731.01-149,546.70-33,147.81

Finding the Fourth Proportional to 99,731.01, 149,546.70 and 33,147.81

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Solution

The fourth proportional to 99,731.01, 149,546.70 and 33,147.81 is: 49,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,731.01 : 149,546.70 = 33,147.81 : x
  2. Step 2: Convert to fraction form
    99,731.01/149,546.70 = 33,147.81/x
  3. Step 3: Cross multiply
    99,731.01x = 149,546.70 × 33,147.81
  4. Step 4: Simplify right side
    99,731.01x = 4,957,145,597.73
  5. Step 5: Solve for x
    x = 4,957,145,597.73/99,731.01
  6. Step 6: Final answer
    x = 49,705.16

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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.