Home / 83,984.33-115,922.18-55,324.91

Finding the Fourth Proportional to 83,984.33, 115,922.18 and 55,324.91

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Solution

The fourth proportional to 83,984.33, 115,922.18 and 55,324.91 is: 76,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984.33 : 115,922.18 = 55,324.91 : x
  2. Step 2: Convert to fraction form
    83,984.33/115,922.18 = 55,324.91/x
  3. Step 3: Cross multiply
    83,984.33x = 115,922.18 × 55,324.91
  4. Step 4: Simplify right side
    83,984.33x = 6,413,383,734.21
  5. Step 5: Solve for x
    x = 6,413,383,734.21/83,984.33
  6. Step 6: Final answer
    x = 76,364.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.