Home / 107,901.83-161,899.38-57,923.56

Finding the Fourth Proportional to 107,901.83, 161,899.38 and 57,923.56

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Solution

The fourth proportional to 107,901.83, 161,899.38 and 57,923.56 is: 86,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,901.83 : 161,899.38 = 57,923.56 : x
  2. Step 2: Convert to fraction form
    107,901.83/161,899.38 = 57,923.56/x
  3. Step 3: Cross multiply
    107,901.83x = 161,899.38 × 57,923.56
  4. Step 4: Simplify right side
    107,901.83x = 9,377,788,046.64
  5. Step 5: Solve for x
    x = 9,377,788,046.64/107,901.83
  6. Step 6: Final answer
    x = 86,910.37

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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.