Home / 81,217.66-121,837.92-25,062.33

Finding the Fourth Proportional to 81,217.66, 121,837.92 and 25,062.33

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Solution

The fourth proportional to 81,217.66, 121,837.92 and 25,062.33 is: 37,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,217.66 : 121,837.92 = 25,062.33 : x
  2. Step 2: Convert to fraction form
    81,217.66/121,837.92 = 25,062.33/x
  3. Step 3: Cross multiply
    81,217.66x = 121,837.92 × 25,062.33
  4. Step 4: Simplify right side
    81,217.66x = 3,053,542,157.55
  5. Step 5: Solve for x
    x = 3,053,542,157.55/81,217.66
  6. Step 6: Final answer
    x = 37,597.02

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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.