Home / 120,979.74-166,951.89-67,263.06

Finding the Fourth Proportional to 120,979.74, 166,951.89 and 67,263.06

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Solution

The fourth proportional to 120,979.74, 166,951.89 and 67,263.06 is: 92,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,979.74 : 166,951.89 = 67,263.06 : x
  2. Step 2: Convert to fraction form
    120,979.74/166,951.89 = 67,263.06/x
  3. Step 3: Cross multiply
    120,979.74x = 166,951.89 × 67,263.06
  4. Step 4: Simplify right side
    120,979.74x = 11,229,694,994.18
  5. Step 5: Solve for x
    x = 11,229,694,994.18/120,979.74
  6. Step 6: Final answer
    x = 92,822.94

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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.