Home / 125,522.39-173,220.90-68,933.77

Finding the Fourth Proportional to 125,522.39, 173,220.90 and 68,933.77

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Solution

The fourth proportional to 125,522.39, 173,220.90 and 68,933.77 is: 95,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,522.39 : 173,220.90 = 68,933.77 : x
  2. Step 2: Convert to fraction form
    125,522.39/173,220.90 = 68,933.77/x
  3. Step 3: Cross multiply
    125,522.39x = 173,220.90 × 68,933.77
  4. Step 4: Simplify right side
    125,522.39x = 11,940,769,679.79
  5. Step 5: Solve for x
    x = 11,940,769,679.79/125,522.39
  6. Step 6: Final answer
    x = 95,128.60

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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.