Home / 82,911.31-124,371.21-23,755.66

Finding the Fourth Proportional to 82,911.31, 124,371.21 and 23,755.66

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Solution

The fourth proportional to 82,911.31, 124,371.21 and 23,755.66 is: 35,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,911.31 : 124,371.21 = 23,755.66 : x
  2. Step 2: Convert to fraction form
    82,911.31/124,371.21 = 23,755.66/x
  3. Step 3: Cross multiply
    82,911.31x = 124,371.21 × 23,755.66
  4. Step 4: Simplify right side
    82,911.31x = 2,954,520,178.55
  5. Step 5: Solve for x
    x = 2,954,520,178.55/82,911.31
  6. Step 6: Final answer
    x = 35,634.71

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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.