Home / 109,580.20-164,078.70-69,922.60

Finding the Fourth Proportional to 109,580.20, 164,078.70 and 69,922.60

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Solution

The fourth proportional to 109,580.20, 164,078.70 and 69,922.60 is: 104,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,580.20 : 164,078.70 = 69,922.60 : x
  2. Step 2: Convert to fraction form
    109,580.20/164,078.70 = 69,922.60/x
  3. Step 3: Cross multiply
    109,580.20x = 164,078.70 × 69,922.60
  4. Step 4: Simplify right side
    109,580.20x = 11,472,809,308.62
  5. Step 5: Solve for x
    x = 11,472,809,308.62/109,580.20
  6. Step 6: Final answer
    x = 104,697.83

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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.