Home / 79,796.03-119,698.16-20,632.21

Finding the Fourth Proportional to 79,796.03, 119,698.16 and 20,632.21

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Solution

The fourth proportional to 79,796.03, 119,698.16 and 20,632.21 is: 30,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,796.03 : 119,698.16 = 20,632.21 : x
  2. Step 2: Convert to fraction form
    79,796.03/119,698.16 = 20,632.21/x
  3. Step 3: Cross multiply
    79,796.03x = 119,698.16 × 20,632.21
  4. Step 4: Simplify right side
    79,796.03x = 2,469,637,171.33
  5. Step 5: Solve for x
    x = 2,469,637,171.33/79,796.03
  6. Step 6: Final answer
    x = 30,949.38

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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.