Home / 102,732.24-141,717.36-65,028.36

Finding the Fourth Proportional to 102,732.24, 141,717.36 and 65,028.36

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Solution

The fourth proportional to 102,732.24, 141,717.36 and 65,028.36 is: 89,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,732.24 : 141,717.36 = 65,028.36 : x
  2. Step 2: Convert to fraction form
    102,732.24/141,717.36 = 65,028.36/x
  3. Step 3: Cross multiply
    102,732.24x = 141,717.36 × 65,028.36
  4. Step 4: Simplify right side
    102,732.24x = 9,215,647,504.33
  5. Step 5: Solve for x
    x = 9,215,647,504.33/102,732.24
  6. Step 6: Final answer
    x = 89,705.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.