Home / 87,416.33-131,092.34-31,241.25

Finding the Fourth Proportional to 87,416.33, 131,092.34 and 31,241.25

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Solution

The fourth proportional to 87,416.33, 131,092.34 and 31,241.25 is: 46,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416.33 : 131,092.34 = 31,241.25 : x
  2. Step 2: Convert to fraction form
    87,416.33/131,092.34 = 31,241.25/x
  3. Step 3: Cross multiply
    87,416.33x = 131,092.34 × 31,241.25
  4. Step 4: Simplify right side
    87,416.33x = 4,095,488,410.82
  5. Step 5: Solve for x
    x = 4,095,488,410.82/87,416.33
  6. Step 6: Final answer
    x = 46,850.38

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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.