Home / 73,867.62-110,785.23-21,265.68

Finding the Fourth Proportional to 73,867.62, 110,785.23 and 21,265.68

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Solution

The fourth proportional to 73,867.62, 110,785.23 and 21,265.68 is: 31,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,867.62 : 110,785.23 = 21,265.68 : x
  2. Step 2: Convert to fraction form
    73,867.62/110,785.23 = 21,265.68/x
  3. Step 3: Cross multiply
    73,867.62x = 110,785.23 × 21,265.68
  4. Step 4: Simplify right side
    73,867.62x = 2,355,922,962.44
  5. Step 5: Solve for x
    x = 2,355,922,962.44/73,867.62
  6. Step 6: Final answer
    x = 31,893.85

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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.