Home / 125,479.35-173,161.71-68,894.37

Finding the Fourth Proportional to 125,479.35, 173,161.71 and 68,894.37

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Solution

The fourth proportional to 125,479.35, 173,161.71 and 68,894.37 is: 95,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,479.35 : 173,161.71 = 68,894.37 : x
  2. Step 2: Convert to fraction form
    125,479.35/173,161.71 = 68,894.37/x
  3. Step 3: Cross multiply
    125,479.35x = 173,161.71 × 68,894.37
  4. Step 4: Simplify right side
    125,479.35x = 11,929,866,918.57
  5. Step 5: Solve for x
    x = 11,929,866,918.57/125,479.35
  6. Step 6: Final answer
    x = 95,074.34

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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.