Home / 80,847.54-121,242.11-34,104.06

Finding the Fourth Proportional to 80,847.54, 121,242.11 and 34,104.06

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Solution

The fourth proportional to 80,847.54, 121,242.11 and 34,104.06 is: 51,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,847.54 : 121,242.11 = 34,104.06 : x
  2. Step 2: Convert to fraction form
    80,847.54/121,242.11 = 34,104.06/x
  3. Step 3: Cross multiply
    80,847.54x = 121,242.11 × 34,104.06
  4. Step 4: Simplify right side
    80,847.54x = 4,134,848,023.45
  5. Step 5: Solve for x
    x = 4,134,848,023.45/80,847.54
  6. Step 6: Final answer
    x = 51,143.77

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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.