Home / 49,932.20-74,930.70-28,872.20

Finding the Fourth Proportional to 49,932.20, 74,930.70 and 28,872.20

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Solution

The fourth proportional to 49,932.20, 74,930.70 and 28,872.20 is: 43,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,932.20 : 74,930.70 = 28,872.20 : x
  2. Step 2: Convert to fraction form
    49,932.20/74,930.70 = 28,872.20/x
  3. Step 3: Cross multiply
    49,932.20x = 74,930.70 × 28,872.20
  4. Step 4: Simplify right side
    49,932.20x = 2,163,414,156.54
  5. Step 5: Solve for x
    x = 2,163,414,156.54/49,932.20
  6. Step 6: Final answer
    x = 43,327.03

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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.