Home / 121,961.16-182,936.20-50,854.48

Finding the Fourth Proportional to 121,961.16, 182,936.20 and 50,854.48

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Solution

The fourth proportional to 121,961.16, 182,936.20 and 50,854.48 is: 76,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,961.16 : 182,936.20 = 50,854.48 : x
  2. Step 2: Convert to fraction form
    121,961.16/182,936.20 = 50,854.48/x
  3. Step 3: Cross multiply
    121,961.16x = 182,936.20 × 50,854.48
  4. Step 4: Simplify right side
    121,961.16x = 9,303,125,324.18
  5. Step 5: Solve for x
    x = 9,303,125,324.18/121,961.16
  6. Step 6: Final answer
    x = 76,279.41

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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.