Home / 107,845.80-161,790.56-41,288.08

Finding the Fourth Proportional to 107,845.80, 161,790.56 and 41,288.08

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Solution

The fourth proportional to 107,845.80, 161,790.56 and 41,288.08 is: 61,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,845.80 : 161,790.56 = 41,288.08 : x
  2. Step 2: Convert to fraction form
    107,845.80/161,790.56 = 41,288.08/x
  3. Step 3: Cross multiply
    107,845.80x = 161,790.56 × 41,288.08
  4. Step 4: Simplify right side
    107,845.80x = 6,680,021,584.52
  5. Step 5: Solve for x
    x = 6,680,021,584.52/107,845.80
  6. Step 6: Final answer
    x = 61,940.49

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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.