Home / 79,284.12-118,919.98-22,355.73

Finding the Fourth Proportional to 79,284.12, 118,919.98 and 22,355.73

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Solution

The fourth proportional to 79,284.12, 118,919.98 and 22,355.73 is: 33,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,284.12 : 118,919.98 = 22,355.73 : x
  2. Step 2: Convert to fraction form
    79,284.12/118,919.98 = 22,355.73/x
  3. Step 3: Cross multiply
    79,284.12x = 118,919.98 × 22,355.73
  4. Step 4: Simplify right side
    79,284.12x = 2,658,542,258.11
  5. Step 5: Solve for x
    x = 2,658,542,258.11/79,284.12
  6. Step 6: Final answer
    x = 33,531.84

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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.