Home / 87,537.15-131,310.37-27,570.31

Finding the Fourth Proportional to 87,537.15, 131,310.37 and 27,570.31

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Solution

The fourth proportional to 87,537.15, 131,310.37 and 27,570.31 is: 41,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537.15 : 131,310.37 = 27,570.31 : x
  2. Step 2: Convert to fraction form
    87,537.15/131,310.37 = 27,570.31/x
  3. Step 3: Cross multiply
    87,537.15x = 131,310.37 × 27,570.31
  4. Step 4: Simplify right side
    87,537.15x = 3,620,267,607.11
  5. Step 5: Solve for x
    x = 3,620,267,607.11/87,537.15
  6. Step 6: Final answer
    x = 41,356.93

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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.