Home / 49,785.05-68,697.82-29,639.09

Finding the Fourth Proportional to 49,785.05, 68,697.82 and 29,639.09

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Solution

The fourth proportional to 49,785.05, 68,697.82 and 29,639.09 is: 40,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.05 : 68,697.82 = 29,639.09 : x
  2. Step 2: Convert to fraction form
    49,785.05/68,697.82 = 29,639.09/x
  3. Step 3: Cross multiply
    49,785.05x = 68,697.82 × 29,639.09
  4. Step 4: Simplify right side
    49,785.05x = 2,036,140,869.78
  5. Step 5: Solve for x
    x = 2,036,140,869.78/49,785.05
  6. Step 6: Final answer
    x = 40,898.64

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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.