Home / 80,796.24-121,171.68-30,841.92

Finding the Fourth Proportional to 80,796.24, 121,171.68 and 30,841.92

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Solution

The fourth proportional to 80,796.24, 121,171.68 and 30,841.92 is: 46,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,796.24 : 121,171.68 = 30,841.92 : x
  2. Step 2: Convert to fraction form
    80,796.24/121,171.68 = 30,841.92/x
  3. Step 3: Cross multiply
    80,796.24x = 121,171.68 × 30,841.92
  4. Step 4: Simplify right side
    80,796.24x = 3,737,167,260.83
  5. Step 5: Solve for x
    x = 3,737,167,260.83/80,796.24
  6. Step 6: Final answer
    x = 46,254.22

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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.