Home / 74,593.13-111,936.33-30,220.11

Finding the Fourth Proportional to 74,593.13, 111,936.33 and 30,220.11

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Solution

The fourth proportional to 74,593.13, 111,936.33 and 30,220.11 is: 45,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,593.13 : 111,936.33 = 30,220.11 : x
  2. Step 2: Convert to fraction form
    74,593.13/111,936.33 = 30,220.11/x
  3. Step 3: Cross multiply
    74,593.13x = 111,936.33 × 30,220.11
  4. Step 4: Simplify right side
    74,593.13x = 3,382,728,205.60
  5. Step 5: Solve for x
    x = 3,382,728,205.60/74,593.13
  6. Step 6: Final answer
    x = 45,349.06

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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.