Home / 80,797.77-121,194.36-21,633.48

Finding the Fourth Proportional to 80,797.77, 121,194.36 and 21,633.48

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Solution

The fourth proportional to 80,797.77, 121,194.36 and 21,633.48 is: 32,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,797.77 : 121,194.36 = 21,633.48 : x
  2. Step 2: Convert to fraction form
    80,797.77/121,194.36 = 21,633.48/x
  3. Step 3: Cross multiply
    80,797.77x = 121,194.36 × 21,633.48
  4. Step 4: Simplify right side
    80,797.77x = 2,621,855,763.17
  5. Step 5: Solve for x
    x = 2,621,855,763.17/80,797.77
  6. Step 6: Final answer
    x = 32,449.61

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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.