Home / 88,860.66-122,619.04-50,617.21

Finding the Fourth Proportional to 88,860.66, 122,619.04 and 50,617.21

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Solution

The fourth proportional to 88,860.66, 122,619.04 and 50,617.21 is: 69,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,860.66 : 122,619.04 = 50,617.21 : x
  2. Step 2: Convert to fraction form
    88,860.66/122,619.04 = 50,617.21/x
  3. Step 3: Cross multiply
    88,860.66x = 122,619.04 × 50,617.21
  4. Step 4: Simplify right side
    88,860.66x = 6,206,633,723.08
  5. Step 5: Solve for x
    x = 6,206,633,723.08/88,860.66
  6. Step 6: Final answer
    x = 69,846.81

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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.