Home / 87,822.33-131,733.49-21,262.45

Finding the Fourth Proportional to 87,822.33, 131,733.49 and 21,262.45

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Solution

The fourth proportional to 87,822.33, 131,733.49 and 21,262.45 is: 31,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.33 : 131,733.49 = 21,262.45 : x
  2. Step 2: Convert to fraction form
    87,822.33/131,733.49 = 21,262.45/x
  3. Step 3: Cross multiply
    87,822.33x = 131,733.49 × 21,262.45
  4. Step 4: Simplify right side
    87,822.33x = 2,800,976,648.83
  5. Step 5: Solve for x
    x = 2,800,976,648.83/87,822.33
  6. Step 6: Final answer
    x = 31,893.67

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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.