Home / 49,845.08-74,767.32-12,404.96

Finding the Fourth Proportional to 49,845.08, 74,767.32 and 12,404.96

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Solution

The fourth proportional to 49,845.08, 74,767.32 and 12,404.96 is: 18,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.08 : 74,767.32 = 12,404.96 : x
  2. Step 2: Convert to fraction form
    49,845.08/74,767.32 = 12,404.96/x
  3. Step 3: Cross multiply
    49,845.08x = 74,767.32 × 12,404.96
  4. Step 4: Simplify right side
    49,845.08x = 927,485,613.91
  5. Step 5: Solve for x
    x = 927,485,613.91/49,845.08
  6. Step 6: Final answer
    x = 18,607.37

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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.