Home / 87,341.94-131,006.43-31,175.64

Finding the Fourth Proportional to 87,341.94, 131,006.43 and 31,175.64

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Solution

The fourth proportional to 87,341.94, 131,006.43 and 31,175.64 is: 46,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,341.94 : 131,006.43 = 31,175.64 : x
  2. Step 2: Convert to fraction form
    87,341.94/131,006.43 = 31,175.64/x
  3. Step 3: Cross multiply
    87,341.94x = 131,006.43 × 31,175.64
  4. Step 4: Simplify right side
    87,341.94x = 4,084,209,299.37
  5. Step 5: Solve for x
    x = 4,084,209,299.37/87,341.94
  6. Step 6: Final answer
    x = 46,761.15

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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.