Home / 61,092.12-91,660.86-19,542.36

Finding the Fourth Proportional to 61,092.12, 91,660.86 and 19,542.36

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Solution

The fourth proportional to 61,092.12, 91,660.86 and 19,542.36 is: 29,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,092.12 : 91,660.86 = 19,542.36 : x
  2. Step 2: Convert to fraction form
    61,092.12/91,660.86 = 19,542.36/x
  3. Step 3: Cross multiply
    61,092.12x = 91,660.86 × 19,542.36
  4. Step 4: Simplify right side
    61,092.12x = 1,791,269,524.03
  5. Step 5: Solve for x
    x = 1,791,269,524.03/61,092.12
  6. Step 6: Final answer
    x = 29,320.79

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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.