Home / 57,986.10-86,979.15-43,223.85

Finding the Fourth Proportional to 57,986.10, 86,979.15 and 43,223.85

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Solution

The fourth proportional to 57,986.10, 86,979.15 and 43,223.85 is: 64,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.10 : 86,979.15 = 43,223.85 : x
  2. Step 2: Convert to fraction form
    57,986.10/86,979.15 = 43,223.85/x
  3. Step 3: Cross multiply
    57,986.10x = 86,979.15 × 43,223.85
  4. Step 4: Simplify right side
    57,986.10x = 3,759,573,732.73
  5. Step 5: Solve for x
    x = 3,759,573,732.73/57,986.10
  6. Step 6: Final answer
    x = 64,835.78

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Similar ratio
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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.