Home / 119,039.97-164,249.50-68,709.81

Finding the Fourth Proportional to 119,039.97, 164,249.50 and 68,709.81

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Solution

The fourth proportional to 119,039.97, 164,249.50 and 68,709.81 is: 94,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,039.97 : 164,249.50 = 68,709.81 : x
  2. Step 2: Convert to fraction form
    119,039.97/164,249.50 = 68,709.81/x
  3. Step 3: Cross multiply
    119,039.97x = 164,249.50 × 68,709.81
  4. Step 4: Simplify right side
    119,039.97x = 11,285,551,937.60
  5. Step 5: Solve for x
    x = 11,285,551,937.60/119,039.97
  6. Step 6: Final answer
    x = 94,804.73

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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.