Home / 59,640.30-82,311.40-38,481.12

Finding the Fourth Proportional to 59,640.30, 82,311.40 and 38,481.12

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Solution

The fourth proportional to 59,640.30, 82,311.40 and 38,481.12 is: 53,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,640.30 : 82,311.40 = 38,481.12 : x
  2. Step 2: Convert to fraction form
    59,640.30/82,311.40 = 38,481.12/x
  3. Step 3: Cross multiply
    59,640.30x = 82,311.40 × 38,481.12
  4. Step 4: Simplify right side
    59,640.30x = 3,167,434,860.77
  5. Step 5: Solve for x
    x = 3,167,434,860.77/59,640.30
  6. Step 6: Final answer
    x = 53,108.97

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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.