Home / 80,005.94-119,996.54-27,403.32

Finding the Fourth Proportional to 80,005.94, 119,996.54 and 27,403.32

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Solution

The fourth proportional to 80,005.94, 119,996.54 and 27,403.32 is: 41,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,005.94 : 119,996.54 = 27,403.32 : x
  2. Step 2: Convert to fraction form
    80,005.94/119,996.54 = 27,403.32/x
  3. Step 3: Cross multiply
    80,005.94x = 119,996.54 × 27,403.32
  4. Step 4: Simplify right side
    80,005.94x = 3,288,303,584.51
  5. Step 5: Solve for x
    x = 3,288,303,584.51/80,005.94
  6. Step 6: Final answer
    x = 41,100.74

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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.