Home / 87,844.89-131,773.20-30,912.01

Finding the Fourth Proportional to 87,844.89, 131,773.20 and 30,912.01

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Solution

The fourth proportional to 87,844.89, 131,773.20 and 30,912.01 is: 46,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.89 : 131,773.20 = 30,912.01 : x
  2. Step 2: Convert to fraction form
    87,844.89/131,773.20 = 30,912.01/x
  3. Step 3: Cross multiply
    87,844.89x = 131,773.20 × 30,912.01
  4. Step 4: Simplify right side
    87,844.89x = 4,073,374,476.13
  5. Step 5: Solve for x
    x = 4,073,374,476.13/87,844.89
  6. Step 6: Final answer
    x = 46,370.08

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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.