Home / 68,561.28-94,615.29-40,267.44

Finding the Fourth Proportional to 68,561.28, 94,615.29 and 40,267.44

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Solution

The fourth proportional to 68,561.28, 94,615.29 and 40,267.44 is: 55,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,561.28 : 94,615.29 = 40,267.44 : x
  2. Step 2: Convert to fraction form
    68,561.28/94,615.29 = 40,267.44/x
  3. Step 3: Cross multiply
    68,561.28x = 94,615.29 × 40,267.44
  4. Step 4: Simplify right side
    68,561.28x = 3,809,915,513.16
  5. Step 5: Solve for x
    x = 3,809,915,513.16/68,561.28
  6. Step 6: Final answer
    x = 55,569.49

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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.