Home / 122,408.94-168,925.59-67,962

Finding the Fourth Proportional to 122,408.94, 168,925.59 and 67,962

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Solution

The fourth proportional to 122,408.94, 168,925.59 and 67,962 is: 93,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,408.94 : 168,925.59 = 67,962 : x
  2. Step 2: Convert to fraction form
    122,408.94/168,925.59 = 67,962/x
  3. Step 3: Cross multiply
    122,408.94x = 168,925.59 × 67,962
  4. Step 4: Simplify right side
    122,408.94x = 11,480,520,947.58
  5. Step 5: Solve for x
    x = 11,480,520,947.58/122,408.94
  6. Step 6: Final answer
    x = 93,788.26

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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.