Home / 74,154.20-111,243.42-24,219.80

Finding the Fourth Proportional to 74,154.20, 111,243.42 and 24,219.80

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Solution

The fourth proportional to 74,154.20, 111,243.42 and 24,219.80 is: 36,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154.20 : 111,243.42 = 24,219.80 : x
  2. Step 2: Convert to fraction form
    74,154.20/111,243.42 = 24,219.80/x
  3. Step 3: Cross multiply
    74,154.20x = 111,243.42 × 24,219.80
  4. Step 4: Simplify right side
    74,154.20x = 2,694,293,383.72
  5. Step 5: Solve for x
    x = 2,694,293,383.72/74,154.20
  6. Step 6: Final answer
    x = 36,333.66

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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.