Home / 68,409.36-94,441.68-48,284.64

Finding the Fourth Proportional to 68,409.36, 94,441.68 and 48,284.64

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Solution

The fourth proportional to 68,409.36, 94,441.68 and 48,284.64 is: 66,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409.36 : 94,441.68 = 48,284.64 : x
  2. Step 2: Convert to fraction form
    68,409.36/94,441.68 = 48,284.64/x
  3. Step 3: Cross multiply
    68,409.36x = 94,441.68 × 48,284.64
  4. Step 4: Simplify right side
    68,409.36x = 4,560,082,519.80
  5. Step 5: Solve for x
    x = 4,560,082,519.80/68,409.36
  6. Step 6: Final answer
    x = 66,658.75

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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.