Home / 80,738.92-121,091.10-33,979.24

Finding the Fourth Proportional to 80,738.92, 121,091.10 and 33,979.24

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Solution

The fourth proportional to 80,738.92, 121,091.10 and 33,979.24 is: 50,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,738.92 : 121,091.10 = 33,979.24 : x
  2. Step 2: Convert to fraction form
    80,738.92/121,091.10 = 33,979.24/x
  3. Step 3: Cross multiply
    80,738.92x = 121,091.10 × 33,979.24
  4. Step 4: Simplify right side
    80,738.92x = 4,114,583,548.76
  5. Step 5: Solve for x
    x = 4,114,583,548.76/80,738.92
  6. Step 6: Final answer
    x = 50,961.59

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1.5x scale

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.