Home / 74,231.28-111,360.78-29,861.46

Finding the Fourth Proportional to 74,231.28, 111,360.78 and 29,861.46

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Solution

The fourth proportional to 74,231.28, 111,360.78 and 29,861.46 is: 44,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,231.28 : 111,360.78 = 29,861.46 : x
  2. Step 2: Convert to fraction form
    74,231.28/111,360.78 = 29,861.46/x
  3. Step 3: Cross multiply
    74,231.28x = 111,360.78 × 29,861.46
  4. Step 4: Simplify right side
    74,231.28x = 3,325,395,477.54
  5. Step 5: Solve for x
    x = 3,325,395,477.54/74,231.28
  6. Step 6: Final answer
    x = 44,797.77

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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.