Home / 126,057.73-189,115.77-55,942.51

Finding the Fourth Proportional to 126,057.73, 189,115.77 and 55,942.51

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Solution

The fourth proportional to 126,057.73, 189,115.77 and 55,942.51 is: 83,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,057.73 : 189,115.77 = 55,942.51 : x
  2. Step 2: Convert to fraction form
    126,057.73/189,115.77 = 55,942.51/x
  3. Step 3: Cross multiply
    126,057.73x = 189,115.77 × 55,942.51
  4. Step 4: Simplify right side
    126,057.73x = 10,579,610,854.38
  5. Step 5: Solve for x
    x = 10,579,610,854.38/126,057.73
  6. Step 6: Final answer
    x = 83,926.71

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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.