Home / 87,026.06-120,086.94-51,213.93

Finding the Fourth Proportional to 87,026.06, 120,086.94 and 51,213.93

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Solution

The fourth proportional to 87,026.06, 120,086.94 and 51,213.93 is: 70,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,026.06 : 120,086.94 = 51,213.93 : x
  2. Step 2: Convert to fraction form
    87,026.06/120,086.94 = 51,213.93/x
  3. Step 3: Cross multiply
    87,026.06x = 120,086.94 × 51,213.93
  4. Step 4: Simplify right side
    87,026.06x = 6,150,123,883.00
  5. Step 5: Solve for x
    x = 6,150,123,883.00/87,026.06
  6. Step 6: Final answer
    x = 70,669.91

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1.5x scale

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.