Home / 121,665.66-182,498.49-55,093.38

Finding the Fourth Proportional to 121,665.66, 182,498.49 and 55,093.38

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Solution

The fourth proportional to 121,665.66, 182,498.49 and 55,093.38 is: 82,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,665.66 : 182,498.49 = 55,093.38 : x
  2. Step 2: Convert to fraction form
    121,665.66/182,498.49 = 55,093.38/x
  3. Step 3: Cross multiply
    121,665.66x = 182,498.49 × 55,093.38
  4. Step 4: Simplify right side
    121,665.66x = 10,054,458,659.00
  5. Step 5: Solve for x
    x = 10,054,458,659.00/121,665.66
  6. Step 6: Final answer
    x = 82,640.07

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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.