Home / 75,012.52-112,519.32-22,422.46

Finding the Fourth Proportional to 75,012.52, 112,519.32 and 22,422.46

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Solution

The fourth proportional to 75,012.52, 112,519.32 and 22,422.46 is: 33,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,012.52 : 112,519.32 = 22,422.46 : x
  2. Step 2: Convert to fraction form
    75,012.52/112,519.32 = 22,422.46/x
  3. Step 3: Cross multiply
    75,012.52x = 112,519.32 × 22,422.46
  4. Step 4: Simplify right side
    75,012.52x = 2,522,959,951.93
  5. Step 5: Solve for x
    x = 2,522,959,951.93/75,012.52
  6. Step 6: Final answer
    x = 33,633.85

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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.