Home / 68,081.61-93,914.28-40,850.65

Finding the Fourth Proportional to 68,081.61, 93,914.28 and 40,850.65

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Solution

The fourth proportional to 68,081.61, 93,914.28 and 40,850.65 is: 56,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,081.61 : 93,914.28 = 40,850.65 : x
  2. Step 2: Convert to fraction form
    68,081.61/93,914.28 = 40,850.65/x
  3. Step 3: Cross multiply
    68,081.61x = 93,914.28 × 40,850.65
  4. Step 4: Simplify right side
    68,081.61x = 3,836,459,382.28
  5. Step 5: Solve for x
    x = 3,836,459,382.28/68,081.61
  6. Step 6: Final answer
    x = 56,350.89

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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.