Home / 49,310.80-68,043.60-29,168.40

Finding the Fourth Proportional to 49,310.80, 68,043.60 and 29,168.40

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Solution

The fourth proportional to 49,310.80, 68,043.60 and 29,168.40 is: 40,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,310.80 : 68,043.60 = 29,168.40 : x
  2. Step 2: Convert to fraction form
    49,310.80/68,043.60 = 29,168.40/x
  3. Step 3: Cross multiply
    49,310.80x = 68,043.60 × 29,168.40
  4. Step 4: Simplify right side
    49,310.80x = 1,984,722,942.24
  5. Step 5: Solve for x
    x = 1,984,722,942.24/49,310.80
  6. Step 6: Final answer
    x = 40,249.25

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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.