Home / 122,410.35-168,922.49-67,961.34

Finding the Fourth Proportional to 122,410.35, 168,922.49 and 67,961.34

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Solution

The fourth proportional to 122,410.35, 168,922.49 and 67,961.34 is: 93,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,410.35 : 168,922.49 = 67,961.34 : x
  2. Step 2: Convert to fraction form
    122,410.35/168,922.49 = 67,961.34/x
  3. Step 3: Cross multiply
    122,410.35x = 168,922.49 × 67,961.34
  4. Step 4: Simplify right side
    122,410.35x = 11,480,199,295.49
  5. Step 5: Solve for x
    x = 11,480,199,295.49/122,410.35
  6. Step 6: Final answer
    x = 93,784.55

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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.