Home / 49,845.16-68,783.58-28,331.91

Finding the Fourth Proportional to 49,845.16, 68,783.58 and 28,331.91

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Solution

The fourth proportional to 49,845.16, 68,783.58 and 28,331.91 is: 39,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.16 : 68,783.58 = 28,331.91 : x
  2. Step 2: Convert to fraction form
    49,845.16/68,783.58 = 28,331.91/x
  3. Step 3: Cross multiply
    49,845.16x = 68,783.58 × 28,331.91
  4. Step 4: Simplify right side
    49,845.16x = 1,948,770,198.04
  5. Step 5: Solve for x
    x = 1,948,770,198.04/49,845.16
  6. Step 6: Final answer
    x = 39,096.48

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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.