Home / 87,837.13-131,755.76-21,277.34

Finding the Fourth Proportional to 87,837.13, 131,755.76 and 21,277.34

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Solution

The fourth proportional to 87,837.13, 131,755.76 and 21,277.34 is: 31,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,837.13 : 131,755.76 = 21,277.34 : x
  2. Step 2: Convert to fraction form
    87,837.13/131,755.76 = 21,277.34/x
  3. Step 3: Cross multiply
    87,837.13x = 131,755.76 × 21,277.34
  4. Step 4: Simplify right side
    87,837.13x = 2,803,412,102.48
  5. Step 5: Solve for x
    x = 2,803,412,102.48/87,837.13
  6. Step 6: Final answer
    x = 31,916.03

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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.