Home / 87,764.97-131,656.73-28,605.27

Finding the Fourth Proportional to 87,764.97, 131,656.73 and 28,605.27

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Solution

The fourth proportional to 87,764.97, 131,656.73 and 28,605.27 is: 42,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,764.97 : 131,656.73 = 28,605.27 : x
  2. Step 2: Convert to fraction form
    87,764.97/131,656.73 = 28,605.27/x
  3. Step 3: Cross multiply
    87,764.97x = 131,656.73 × 28,605.27
  4. Step 4: Simplify right side
    87,764.97x = 3,766,076,165.94
  5. Step 5: Solve for x
    x = 3,766,076,165.94/87,764.97
  6. Step 6: Final answer
    x = 42,910.93

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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.