Home / 68,563.28-94,618.05-40,269.44

Finding the Fourth Proportional to 68,563.28, 94,618.05 and 40,269.44

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Solution

The fourth proportional to 68,563.28, 94,618.05 and 40,269.44 is: 55,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,563.28 : 94,618.05 = 40,269.44 : x
  2. Step 2: Convert to fraction form
    68,563.28/94,618.05 = 40,269.44/x
  3. Step 3: Cross multiply
    68,563.28x = 94,618.05 × 40,269.44
  4. Step 4: Simplify right side
    68,563.28x = 3,810,215,887.39
  5. Step 5: Solve for x
    x = 3,810,215,887.39/68,563.28
  6. Step 6: Final answer
    x = 55,572.25

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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.