Home / 83,825.56-125,660.22-57,542.68

Finding the Fourth Proportional to 83,825.56, 125,660.22 and 57,542.68

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Solution

The fourth proportional to 83,825.56, 125,660.22 and 57,542.68 is: 86,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,825.56 : 125,660.22 = 57,542.68 : x
  2. Step 2: Convert to fraction form
    83,825.56/125,660.22 = 57,542.68/x
  3. Step 3: Cross multiply
    83,825.56x = 125,660.22 × 57,542.68
  4. Step 4: Simplify right side
    83,825.56x = 7,230,825,828.19
  5. Step 5: Solve for x
    x = 7,230,825,828.19/83,825.56
  6. Step 6: Final answer
    x = 86,260.39

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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.