Home / 125,711.15-173,480.82-69,122.39

Finding the Fourth Proportional to 125,711.15, 173,480.82 and 69,122.39

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Solution

The fourth proportional to 125,711.15, 173,480.82 and 69,122.39 is: 95,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,711.15 : 173,480.82 = 69,122.39 : x
  2. Step 2: Convert to fraction form
    125,711.15/173,480.82 = 69,122.39/x
  3. Step 3: Cross multiply
    125,711.15x = 173,480.82 × 69,122.39
  4. Step 4: Simplify right side
    125,711.15x = 11,991,408,897.56
  5. Step 5: Solve for x
    x = 11,991,408,897.56/125,711.15
  6. Step 6: Final answer
    x = 95,388.59

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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.