Home / 87,849.06-121,200.21-50,101.44

Finding the Fourth Proportional to 87,849.06, 121,200.21 and 50,101.44

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Solution

The fourth proportional to 87,849.06, 121,200.21 and 50,101.44 is: 69,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.06 : 121,200.21 = 50,101.44 : x
  2. Step 2: Convert to fraction form
    87,849.06/121,200.21 = 50,101.44/x
  3. Step 3: Cross multiply
    87,849.06x = 121,200.21 × 50,101.44
  4. Step 4: Simplify right side
    87,849.06x = 6,072,305,049.30
  5. Step 5: Solve for x
    x = 6,072,305,049.30/87,849.06
  6. Step 6: Final answer
    x = 69,122.03

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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.