Home / 60,786.40-83,923.14-39,287.38

Finding the Fourth Proportional to 60,786.40, 83,923.14 and 39,287.38

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Solution

The fourth proportional to 60,786.40, 83,923.14 and 39,287.38 is: 54,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,786.40 : 83,923.14 = 39,287.38 : x
  2. Step 2: Convert to fraction form
    60,786.40/83,923.14 = 39,287.38/x
  3. Step 3: Cross multiply
    60,786.40x = 83,923.14 × 39,287.38
  4. Step 4: Simplify right side
    60,786.40x = 3,297,120,291.97
  5. Step 5: Solve for x
    x = 3,297,120,291.97/60,786.40
  6. Step 6: Final answer
    x = 54,241.09

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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.