Home / 109,982.94-164,900.40-50,785.98

Finding the Fourth Proportional to 109,982.94, 164,900.40 and 50,785.98

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Solution

The fourth proportional to 109,982.94, 164,900.40 and 50,785.98 is: 76,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,982.94 : 164,900.40 = 50,785.98 : x
  2. Step 2: Convert to fraction form
    109,982.94/164,900.40 = 50,785.98/x
  3. Step 3: Cross multiply
    109,982.94x = 164,900.40 × 50,785.98
  4. Step 4: Simplify right side
    109,982.94x = 8,374,628,416.39
  5. Step 5: Solve for x
    x = 8,374,628,416.39/109,982.94
  6. Step 6: Final answer
    x = 76,144.79

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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.