Home / 49,680.20-68,558.34-28,458.98

Finding the Fourth Proportional to 49,680.20, 68,558.34 and 28,458.98

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Solution

The fourth proportional to 49,680.20, 68,558.34 and 28,458.98 is: 39,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.20 : 68,558.34 = 28,458.98 : x
  2. Step 2: Convert to fraction form
    49,680.20/68,558.34 = 28,458.98/x
  3. Step 3: Cross multiply
    49,680.20x = 68,558.34 × 28,458.98
  4. Step 4: Simplify right side
    49,680.20x = 1,951,100,426.89
  5. Step 5: Solve for x
    x = 1,951,100,426.89/49,680.20
  6. Step 6: Final answer
    x = 39,273.20

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1.5x scale

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.