Home / 68,727.76-94,842.70-40,435.27

Finding the Fourth Proportional to 68,727.76, 94,842.70 and 40,435.27

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Solution

The fourth proportional to 68,727.76, 94,842.70 and 40,435.27 is: 55,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,727.76 : 94,842.70 = 40,435.27 : x
  2. Step 2: Convert to fraction form
    68,727.76/94,842.70 = 40,435.27/x
  3. Step 3: Cross multiply
    68,727.76x = 94,842.70 × 40,435.27
  4. Step 4: Simplify right side
    68,727.76x = 3,834,990,182.03
  5. Step 5: Solve for x
    x = 3,834,990,182.03/68,727.76
  6. Step 6: Final answer
    x = 55,799.73

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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.