Home / 74,136.20-111,204.30-32,583.20

Finding the Fourth Proportional to 74,136.20, 111,204.30 and 32,583.20

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Solution

The fourth proportional to 74,136.20, 111,204.30 and 32,583.20 is: 48,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,136.20 : 111,204.30 = 32,583.20 : x
  2. Step 2: Convert to fraction form
    74,136.20/111,204.30 = 32,583.20/x
  3. Step 3: Cross multiply
    74,136.20x = 111,204.30 × 32,583.20
  4. Step 4: Simplify right side
    74,136.20x = 3,623,391,947.76
  5. Step 5: Solve for x
    x = 3,623,391,947.76/74,136.20
  6. Step 6: Final answer
    x = 48,874.80

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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.