Home / 107,860.25-161,790.75-32,980.11

Finding the Fourth Proportional to 107,860.25, 161,790.75 and 32,980.11

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Solution

The fourth proportional to 107,860.25, 161,790.75 and 32,980.11 is: 49,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,860.25 : 161,790.75 = 32,980.11 : x
  2. Step 2: Convert to fraction form
    107,860.25/161,790.75 = 32,980.11/x
  3. Step 3: Cross multiply
    107,860.25x = 161,790.75 × 32,980.11
  4. Step 4: Simplify right side
    107,860.25x = 5,335,876,731.98
  5. Step 5: Solve for x
    x = 5,335,876,731.98/107,860.25
  6. Step 6: Final answer
    x = 49,470.28

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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.