Home / 73,222.20-109,833.30-28,824.75

Finding the Fourth Proportional to 73,222.20, 109,833.30 and 28,824.75

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Solution

The fourth proportional to 73,222.20, 109,833.30 and 28,824.75 is: 43,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,222.20 : 109,833.30 = 28,824.75 : x
  2. Step 2: Convert to fraction form
    73,222.20/109,833.30 = 28,824.75/x
  3. Step 3: Cross multiply
    73,222.20x = 109,833.30 × 28,824.75
  4. Step 4: Simplify right side
    73,222.20x = 3,165,917,414.18
  5. Step 5: Solve for x
    x = 3,165,917,414.18/73,222.20
  6. Step 6: Final answer
    x = 43,237.13

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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.