Home / 87,467.54-131,187.24-31,297.19

Finding the Fourth Proportional to 87,467.54, 131,187.24 and 31,297.19

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Solution

The fourth proportional to 87,467.54, 131,187.24 and 31,297.19 is: 46,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,467.54 : 131,187.24 = 31,297.19 : x
  2. Step 2: Convert to fraction form
    87,467.54/131,187.24 = 31,297.19/x
  3. Step 3: Cross multiply
    87,467.54x = 131,187.24 × 31,297.19
  4. Step 4: Simplify right side
    87,467.54x = 4,105,791,319.92
  5. Step 5: Solve for x
    x = 4,105,791,319.92/87,467.54
  6. Step 6: Final answer
    x = 46,940.75

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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.