Home / 125,669.64-173,464.55-80,469.42

Finding the Fourth Proportional to 125,669.64, 173,464.55 and 80,469.42

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Solution

The fourth proportional to 125,669.64, 173,464.55 and 80,469.42 is: 111,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,669.64 : 173,464.55 = 80,469.42 : x
  2. Step 2: Convert to fraction form
    125,669.64/173,464.55 = 80,469.42/x
  3. Step 3: Cross multiply
    125,669.64x = 173,464.55 × 80,469.42
  4. Step 4: Simplify right side
    125,669.64x = 13,958,591,729.06
  5. Step 5: Solve for x
    x = 13,958,591,729.06/125,669.64
  6. Step 6: Final answer
    x = 111,073.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.