Home / 80,822.26-111,419.04-56,874.52

Finding the Fourth Proportional to 80,822.26, 111,419.04 and 56,874.52

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Solution

The fourth proportional to 80,822.26, 111,419.04 and 56,874.52 is: 78,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,822.26 : 111,419.04 = 56,874.52 : x
  2. Step 2: Convert to fraction form
    80,822.26/111,419.04 = 56,874.52/x
  3. Step 3: Cross multiply
    80,822.26x = 111,419.04 × 56,874.52
  4. Step 4: Simplify right side
    80,822.26x = 6,336,904,418.86
  5. Step 5: Solve for x
    x = 6,336,904,418.86/80,822.26
  6. Step 6: Final answer
    x = 78,405.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.