Home / 83,320.54-124,993.77-27,147.58

Finding the Fourth Proportional to 83,320.54, 124,993.77 and 27,147.58

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Solution

The fourth proportional to 83,320.54, 124,993.77 and 27,147.58 is: 40,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.54 : 124,993.77 = 27,147.58 : x
  2. Step 2: Convert to fraction form
    83,320.54/124,993.77 = 27,147.58/x
  3. Step 3: Cross multiply
    83,320.54x = 124,993.77 × 27,147.58
  4. Step 4: Simplify right side
    83,320.54x = 3,393,278,370.58
  5. Step 5: Solve for x
    x = 3,393,278,370.58/83,320.54
  6. Step 6: Final answer
    x = 40,725.59

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1.5x scale

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.