Home / 125,919.78-173,717.22-74,922.33

Finding the Fourth Proportional to 125,919.78, 173,717.22 and 74,922.33

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Solution

The fourth proportional to 125,919.78, 173,717.22 and 74,922.33 is: 103,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,919.78 : 173,717.22 = 74,922.33 : x
  2. Step 2: Convert to fraction form
    125,919.78/173,717.22 = 74,922.33/x
  3. Step 3: Cross multiply
    125,919.78x = 173,717.22 × 74,922.33
  4. Step 4: Simplify right side
    125,919.78x = 13,015,298,883.52
  5. Step 5: Solve for x
    x = 13,015,298,883.52/125,919.78
  6. Step 6: Final answer
    x = 103,361.83

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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.