Home / 121,993.43-182,896.38-61,972.56

Finding the Fourth Proportional to 121,993.43, 182,896.38 and 61,972.56

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Solution

The fourth proportional to 121,993.43, 182,896.38 and 61,972.56 is: 92,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,993.43 : 182,896.38 = 61,972.56 : x
  2. Step 2: Convert to fraction form
    121,993.43/182,896.38 = 61,972.56/x
  3. Step 3: Cross multiply
    121,993.43x = 182,896.38 × 61,972.56
  4. Step 4: Simplify right side
    121,993.43x = 11,334,556,883.33
  5. Step 5: Solve for x
    x = 11,334,556,883.33/121,993.43
  6. Step 6: Final answer
    x = 92,911.21

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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.