Home / 87,026.00-120,086.85-51,213.87

Finding the Fourth Proportional to 87,026.00, 120,086.85 and 51,213.87

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Solution

The fourth proportional to 87,026.00, 120,086.85 and 51,213.87 is: 70,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,026.00 : 120,086.85 = 51,213.87 : x
  2. Step 2: Convert to fraction form
    87,026.00/120,086.85 = 51,213.87/x
  3. Step 3: Cross multiply
    87,026.00x = 120,086.85 × 51,213.87
  4. Step 4: Simplify right side
    87,026.00x = 6,150,112,324.61
  5. Step 5: Solve for x
    x = 6,150,112,324.61/87,026.00
  6. Step 6: Final answer
    x = 70,669.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.