Home / 107,434.07-161,221.07-40,874.77

Finding the Fourth Proportional to 107,434.07, 161,221.07 and 40,874.77

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Solution

The fourth proportional to 107,434.07, 161,221.07 and 40,874.77 is: 61,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,434.07 : 161,221.07 = 40,874.77 : x
  2. Step 2: Convert to fraction form
    107,434.07/161,221.07 = 40,874.77/x
  3. Step 3: Cross multiply
    107,434.07x = 161,221.07 × 40,874.77
  4. Step 4: Simplify right side
    107,434.07x = 6,589,874,733.73
  5. Step 5: Solve for x
    x = 6,589,874,733.73/107,434.07
  6. Step 6: Final answer
    x = 61,338.78

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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.