Home / 87,721.44-131,632.32-37,116.48

Finding the Fourth Proportional to 87,721.44, 131,632.32 and 37,116.48

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Solution

The fourth proportional to 87,721.44, 131,632.32 and 37,116.48 is: 55,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,721.44 : 131,632.32 = 37,116.48 : x
  2. Step 2: Convert to fraction form
    87,721.44/131,632.32 = 37,116.48/x
  3. Step 3: Cross multiply
    87,721.44x = 131,632.32 × 37,116.48
  4. Step 4: Simplify right side
    87,721.44x = 4,885,728,372.63
  5. Step 5: Solve for x
    x = 4,885,728,372.63/87,721.44
  6. Step 6: Final answer
    x = 55,695.94

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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.