Home / 49,811.72-68,734.62-29,665.80

Finding the Fourth Proportional to 49,811.72, 68,734.62 and 29,665.80

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Solution

The fourth proportional to 49,811.72, 68,734.62 and 29,665.80 is: 40,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,811.72 : 68,734.62 = 29,665.80 : x
  2. Step 2: Convert to fraction form
    49,811.72/68,734.62 = 29,665.80/x
  3. Step 3: Cross multiply
    49,811.72x = 68,734.62 × 29,665.80
  4. Step 4: Simplify right side
    49,811.72x = 2,039,067,490.00
  5. Step 5: Solve for x
    x = 2,039,067,490.00/49,811.72
  6. Step 6: Final answer
    x = 40,935.50

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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.