Home / 83,708.82-125,456.42-39,237.59

Finding the Fourth Proportional to 83,708.82, 125,456.42 and 39,237.59

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Solution

The fourth proportional to 83,708.82, 125,456.42 and 39,237.59 is: 58,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,708.82 : 125,456.42 = 39,237.59 : x
  2. Step 2: Convert to fraction form
    83,708.82/125,456.42 = 39,237.59/x
  3. Step 3: Cross multiply
    83,708.82x = 125,456.42 × 39,237.59
  4. Step 4: Simplify right side
    83,708.82x = 4,922,606,747.36
  5. Step 5: Solve for x
    x = 4,922,606,747.36/83,708.82
  6. Step 6: Final answer
    x = 58,806.31

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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.