Home / 125,521.89-173,220.21-68,933.27

Finding the Fourth Proportional to 125,521.89, 173,220.21 and 68,933.27

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Solution

The fourth proportional to 125,521.89, 173,220.21 and 68,933.27 is: 95,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,521.89 : 173,220.21 = 68,933.27 : x
  2. Step 2: Convert to fraction form
    125,521.89/173,220.21 = 68,933.27/x
  3. Step 3: Cross multiply
    125,521.89x = 173,220.21 × 68,933.27
  4. Step 4: Simplify right side
    125,521.89x = 11,940,635,505.39
  5. Step 5: Solve for x
    x = 11,940,635,505.39/125,521.89
  6. Step 6: Final answer
    x = 95,127.91

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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.