Home / 55,765.46-83,648.30-39,199.62

Finding the Fourth Proportional to 55,765.46, 83,648.30 and 39,199.62

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Solution

The fourth proportional to 55,765.46, 83,648.30 and 39,199.62 is: 58,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.46 : 83,648.30 = 39,199.62 : x
  2. Step 2: Convert to fraction form
    55,765.46/83,648.30 = 39,199.62/x
  3. Step 3: Cross multiply
    55,765.46x = 83,648.30 × 39,199.62
  4. Step 4: Simplify right side
    55,765.46x = 3,278,981,377.65
  5. Step 5: Solve for x
    x = 3,278,981,377.65/55,765.46
  6. Step 6: Final answer
    x = 58,799.51

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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.