Home / 121,321.48-182,084.46-51,251.08

Finding the Fourth Proportional to 121,321.48, 182,084.46 and 51,251.08

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Solution

The fourth proportional to 121,321.48, 182,084.46 and 51,251.08 is: 76,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,321.48 : 182,084.46 = 51,251.08 : x
  2. Step 2: Convert to fraction form
    121,321.48/182,084.46 = 51,251.08/x
  3. Step 3: Cross multiply
    121,321.48x = 182,084.46 × 51,251.08
  4. Step 4: Simplify right side
    121,321.48x = 9,332,025,226.22
  5. Step 5: Solve for x
    x = 9,332,025,226.22/121,321.48
  6. Step 6: Final answer
    x = 76,919.81

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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.