Home / 107,910.36-161,912.18-57,932.08

Finding the Fourth Proportional to 107,910.36, 161,912.18 and 57,932.08

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Solution

The fourth proportional to 107,910.36, 161,912.18 and 57,932.08 is: 86,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,910.36 : 161,912.18 = 57,932.08 : x
  2. Step 2: Convert to fraction form
    107,910.36/161,912.18 = 57,932.08/x
  3. Step 3: Cross multiply
    107,910.36x = 161,912.18 × 57,932.08
  4. Step 4: Simplify right side
    107,910.36x = 9,379,909,104.78
  5. Step 5: Solve for x
    x = 9,379,909,104.78/107,910.36
  6. Step 6: Final answer
    x = 86,923.16

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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.