Home / 87,522.75-131,297.98-31,361.62

Finding the Fourth Proportional to 87,522.75, 131,297.98 and 31,361.62

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Solution

The fourth proportional to 87,522.75, 131,297.98 and 31,361.62 is: 47,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,522.75 : 131,297.98 = 31,361.62 : x
  2. Step 2: Convert to fraction form
    87,522.75/131,297.98 = 31,361.62/x
  3. Step 3: Cross multiply
    87,522.75x = 131,297.98 × 31,361.62
  4. Step 4: Simplify right side
    87,522.75x = 4,117,716,948.88
  5. Step 5: Solve for x
    x = 4,117,716,948.88/87,522.75
  6. Step 6: Final answer
    x = 47,047.39

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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.