Home / 82,173.45-113,296.58-68,581.03

Finding the Fourth Proportional to 82,173.45, 113,296.58 and 68,581.03

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Solution

The fourth proportional to 82,173.45, 113,296.58 and 68,581.03 is: 94,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173.45 : 113,296.58 = 68,581.03 : x
  2. Step 2: Convert to fraction form
    82,173.45/113,296.58 = 68,581.03/x
  3. Step 3: Cross multiply
    82,173.45x = 113,296.58 × 68,581.03
  4. Step 4: Simplify right side
    82,173.45x = 7,769,995,808.97
  5. Step 5: Solve for x
    x = 7,769,995,808.97/82,173.45
  6. Step 6: Final answer
    x = 94,556.04

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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.