Home / 68,725.76-94,839.95-40,433.27

Finding the Fourth Proportional to 68,725.76, 94,839.95 and 40,433.27

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Solution

The fourth proportional to 68,725.76, 94,839.95 and 40,433.27 is: 55,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,725.76 : 94,839.95 = 40,433.27 : x
  2. Step 2: Convert to fraction form
    68,725.76/94,839.95 = 40,433.27/x
  3. Step 3: Cross multiply
    68,725.76x = 94,839.95 × 40,433.27
  4. Step 4: Simplify right side
    68,725.76x = 3,834,689,102.97
  5. Step 5: Solve for x
    x = 3,834,689,102.97/68,725.76
  6. Step 6: Final answer
    x = 55,796.97

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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.