Home / 107,791.54-161,756.49-72,292.93

Finding the Fourth Proportional to 107,791.54, 161,756.49 and 72,292.93

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Solution

The fourth proportional to 107,791.54, 161,756.49 and 72,292.93 is: 108,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,791.54 : 161,756.49 = 72,292.93 : x
  2. Step 2: Convert to fraction form
    107,791.54/161,756.49 = 72,292.93/x
  3. Step 3: Cross multiply
    107,791.54x = 161,756.49 × 72,292.93
  4. Step 4: Simplify right side
    107,791.54x = 11,693,850,608.62
  5. Step 5: Solve for x
    x = 11,693,850,608.62/107,791.54
  6. Step 6: Final answer
    x = 108,485.79

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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.