Home / 109,956.80-164,935.20-50,774.96

Finding the Fourth Proportional to 109,956.80, 164,935.20 and 50,774.96

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Solution

The fourth proportional to 109,956.80, 164,935.20 and 50,774.96 is: 76,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,956.80 : 164,935.20 = 50,774.96 : x
  2. Step 2: Convert to fraction form
    109,956.80/164,935.20 = 50,774.96/x
  3. Step 3: Cross multiply
    109,956.80x = 164,935.20 × 50,774.96
  4. Step 4: Simplify right side
    109,956.80x = 8,374,578,182.59
  5. Step 5: Solve for x
    x = 8,374,578,182.59/109,956.80
  6. Step 6: Final answer
    x = 76,162.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.