Home / 83,324.43-124,998.49-30,730.12

Finding the Fourth Proportional to 83,324.43, 124,998.49 and 30,730.12

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Solution

The fourth proportional to 83,324.43, 124,998.49 and 30,730.12 is: 46,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,324.43 : 124,998.49 = 30,730.12 : x
  2. Step 2: Convert to fraction form
    83,324.43/124,998.49 = 30,730.12/x
  3. Step 3: Cross multiply
    83,324.43x = 124,998.49 × 30,730.12
  4. Step 4: Simplify right side
    83,324.43x = 3,841,218,323.44
  5. Step 5: Solve for x
    x = 3,841,218,323.44/83,324.43
  6. Step 6: Final answer
    x = 46,099.55

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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.