Home / 74,136.20-111,215.10-24,218.60

Finding the Fourth Proportional to 74,136.20, 111,215.10 and 24,218.60

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Solution

The fourth proportional to 74,136.20, 111,215.10 and 24,218.60 is: 36,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,136.20 : 111,215.10 = 24,218.60 : x
  2. Step 2: Convert to fraction form
    74,136.20/111,215.10 = 24,218.60/x
  3. Step 3: Cross multiply
    74,136.20x = 111,215.10 × 24,218.60
  4. Step 4: Simplify right side
    74,136.20x = 2,693,474,020.86
  5. Step 5: Solve for x
    x = 2,693,474,020.86/74,136.20
  6. Step 6: Final answer
    x = 36,331.43

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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.