Home / 68,196.12-94,072.93-56,768.64

Finding the Fourth Proportional to 68,196.12, 94,072.93 and 56,768.64

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Solution

The fourth proportional to 68,196.12, 94,072.93 and 56,768.64 is: 78,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,196.12 : 94,072.93 = 56,768.64 : x
  2. Step 2: Convert to fraction form
    68,196.12/94,072.93 = 56,768.64/x
  3. Step 3: Cross multiply
    68,196.12x = 94,072.93 × 56,768.64
  4. Step 4: Simplify right side
    68,196.12x = 5,340,392,296.92
  5. Step 5: Solve for x
    x = 5,340,392,296.92/68,196.12
  6. Step 6: Final answer
    x = 78,309.33

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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.