Home / 74,414.34-111,622.38-21,824.88

Finding the Fourth Proportional to 74,414.34, 111,622.38 and 21,824.88

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Solution

The fourth proportional to 74,414.34, 111,622.38 and 21,824.88 is: 32,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414.34 : 111,622.38 = 21,824.88 : x
  2. Step 2: Convert to fraction form
    74,414.34/111,622.38 = 21,824.88/x
  3. Step 3: Cross multiply
    74,414.34x = 111,622.38 × 21,824.88
  4. Step 4: Simplify right side
    74,414.34x = 2,436,145,048.81
  5. Step 5: Solve for x
    x = 2,436,145,048.81/74,414.34
  6. Step 6: Final answer
    x = 32,737.58

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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.