Home / 106,716.80-159,963.96-40,111.04

Finding the Fourth Proportional to 106,716.80, 159,963.96 and 40,111.04

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Solution

The fourth proportional to 106,716.80, 159,963.96 and 40,111.04 is: 60,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,716.80 : 159,963.96 = 40,111.04 : x
  2. Step 2: Convert to fraction form
    106,716.80/159,963.96 = 40,111.04/x
  3. Step 3: Cross multiply
    106,716.80x = 159,963.96 × 40,111.04
  4. Step 4: Simplify right side
    106,716.80x = 6,416,320,798.12
  5. Step 5: Solve for x
    x = 6,416,320,798.12/106,716.80
  6. Step 6: Final answer
    x = 60,124.75

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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.