Home / 68,979.06-95,464.71-67,322.61

Finding the Fourth Proportional to 68,979.06, 95,464.71 and 67,322.61

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Solution

The fourth proportional to 68,979.06, 95,464.71 and 67,322.61 is: 93,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979.06 : 95,464.71 = 67,322.61 : x
  2. Step 2: Convert to fraction form
    68,979.06/95,464.71 = 67,322.61/x
  3. Step 3: Cross multiply
    68,979.06x = 95,464.71 × 67,322.61
  4. Step 4: Simplify right side
    68,979.06x = 6,426,933,440.09
  5. Step 5: Solve for x
    x = 6,426,933,440.09/68,979.06
  6. Step 6: Final answer
    x = 93,172.24

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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.