Home / 48,845.75-73,268.99-11,909.75

Finding the Fourth Proportional to 48,845.75, 73,268.99 and 11,909.75

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Solution

The fourth proportional to 48,845.75, 73,268.99 and 11,909.75 is: 17,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,845.75 : 73,268.99 = 11,909.75 : x
  2. Step 2: Convert to fraction form
    48,845.75/73,268.99 = 11,909.75/x
  3. Step 3: Cross multiply
    48,845.75x = 73,268.99 × 11,909.75
  4. Step 4: Simplify right side
    48,845.75x = 872,615,353.65
  5. Step 5: Solve for x
    x = 872,615,353.65/48,845.75
  6. Step 6: Final answer
    x = 17,864.71

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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.