Home / 87,757.82-131,647.09-30,814.28

Finding the Fourth Proportional to 87,757.82, 131,647.09 and 30,814.28

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Solution

The fourth proportional to 87,757.82, 131,647.09 and 30,814.28 is: 46,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,757.82 : 131,647.09 = 30,814.28 : x
  2. Step 2: Convert to fraction form
    87,757.82/131,647.09 = 30,814.28/x
  3. Step 3: Cross multiply
    87,757.82x = 131,647.09 × 30,814.28
  4. Step 4: Simplify right side
    87,757.82x = 4,056,610,292.45
  5. Step 5: Solve for x
    x = 4,056,610,292.45/87,757.82
  6. Step 6: Final answer
    x = 46,225.06

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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.