Home / 80,861.54-121,315.70-33,467.87

Finding the Fourth Proportional to 80,861.54, 121,315.70 and 33,467.87

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Solution

The fourth proportional to 80,861.54, 121,315.70 and 33,467.87 is: 50,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,861.54 : 121,315.70 = 33,467.87 : x
  2. Step 2: Convert to fraction form
    80,861.54/121,315.70 = 33,467.87/x
  3. Step 3: Cross multiply
    80,861.54x = 121,315.70 × 33,467.87
  4. Step 4: Simplify right side
    80,861.54x = 4,060,177,302.64
  5. Step 5: Solve for x
    x = 4,060,177,302.64/80,861.54
  6. Step 6: Final answer
    x = 50,211.48

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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.