Home / 87,361.34-131,102.60-39,982.22

Finding the Fourth Proportional to 87,361.34, 131,102.60 and 39,982.22

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Solution

The fourth proportional to 87,361.34, 131,102.60 and 39,982.22 is: 60,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,361.34 : 131,102.60 = 39,982.22 : x
  2. Step 2: Convert to fraction form
    87,361.34/131,102.60 = 39,982.22/x
  3. Step 3: Cross multiply
    87,361.34x = 131,102.60 × 39,982.22
  4. Step 4: Simplify right side
    87,361.34x = 5,241,772,795.86
  5. Step 5: Solve for x
    x = 5,241,772,795.86/87,361.34
  6. Step 6: Final answer
    x = 60,001.06

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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.