Home / 49,821.20-68,754.55-28,604.56

Finding the Fourth Proportional to 49,821.20, 68,754.55 and 28,604.56

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Solution

The fourth proportional to 49,821.20, 68,754.55 and 28,604.56 is: 39,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.20 : 68,754.55 = 28,604.56 : x
  2. Step 2: Convert to fraction form
    49,821.20/68,754.55 = 28,604.56/x
  3. Step 3: Cross multiply
    49,821.20x = 68,754.55 × 28,604.56
  4. Step 4: Simplify right side
    49,821.20x = 1,966,693,650.75
  5. Step 5: Solve for x
    x = 1,966,693,650.75/49,821.20
  6. Step 6: Final answer
    x = 39,475.04

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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.