Home / 68,816.49-94,986.41-40,538.49

Finding the Fourth Proportional to 68,816.49, 94,986.41 and 40,538.49

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Solution

The fourth proportional to 68,816.49, 94,986.41 and 40,538.49 is: 55,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,816.49 : 94,986.41 = 40,538.49 : x
  2. Step 2: Convert to fraction form
    68,816.49/94,986.41 = 40,538.49/x
  3. Step 3: Cross multiply
    68,816.49x = 94,986.41 × 40,538.49
  4. Step 4: Simplify right side
    68,816.49x = 3,850,605,631.92
  5. Step 5: Solve for x
    x = 3,850,605,631.92/68,816.49
  6. Step 6: Final answer
    x = 55,954.69

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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.