Home / 49,777.21-74,664.87-12,337.36

Finding the Fourth Proportional to 49,777.21, 74,664.87 and 12,337.36

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Solution

The fourth proportional to 49,777.21, 74,664.87 and 12,337.36 is: 18,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,777.21 : 74,664.87 = 12,337.36 : x
  2. Step 2: Convert to fraction form
    49,777.21/74,664.87 = 12,337.36/x
  3. Step 3: Cross multiply
    49,777.21x = 74,664.87 × 12,337.36
  4. Step 4: Simplify right side
    49,777.21x = 921,167,380.54
  5. Step 5: Solve for x
    x = 921,167,380.54/49,777.21
  6. Step 6: Final answer
    x = 18,505.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.