Home / 74,414.21-111,621.92-21,824.55

Finding the Fourth Proportional to 74,414.21, 111,621.92 and 21,824.55

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Solution

The fourth proportional to 74,414.21, 111,621.92 and 21,824.55 is: 32,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414.21 : 111,621.92 = 21,824.55 : x
  2. Step 2: Convert to fraction form
    74,414.21/111,621.92 = 21,824.55/x
  3. Step 3: Cross multiply
    74,414.21x = 111,621.92 × 21,824.55
  4. Step 4: Simplify right side
    74,414.21x = 2,436,098,065.01
  5. Step 5: Solve for x
    x = 2,436,098,065.01/74,414.21
  6. Step 6: Final answer
    x = 32,737.00

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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.