Home / 79,131.94-118,727.07-41,690.50

Finding the Fourth Proportional to 79,131.94, 118,727.07 and 41,690.50

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Solution

The fourth proportional to 79,131.94, 118,727.07 and 41,690.50 is: 62,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,131.94 : 118,727.07 = 41,690.50 : x
  2. Step 2: Convert to fraction form
    79,131.94/118,727.07 = 41,690.50/x
  3. Step 3: Cross multiply
    79,131.94x = 118,727.07 × 41,690.50
  4. Step 4: Simplify right side
    79,131.94x = 4,949,790,458.68
  5. Step 5: Solve for x
    x = 4,949,790,458.68/79,131.94
  6. Step 6: Final answer
    x = 62,551.11

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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.