Home / 49,807.44-68,729.68-29,669.20

Finding the Fourth Proportional to 49,807.44, 68,729.68 and 29,669.20

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Solution

The fourth proportional to 49,807.44, 68,729.68 and 29,669.20 is: 40,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,807.44 : 68,729.68 = 29,669.20 : x
  2. Step 2: Convert to fraction form
    49,807.44/68,729.68 = 29,669.20/x
  3. Step 3: Cross multiply
    49,807.44x = 68,729.68 × 29,669.20
  4. Step 4: Simplify right side
    49,807.44x = 2,039,154,621.86
  5. Step 5: Solve for x
    x = 2,039,154,621.86/49,807.44
  6. Step 6: Final answer
    x = 40,940.76

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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.