Home / 73,166.20-109,749.30-54,734.20

Finding the Fourth Proportional to 73,166.20, 109,749.30 and 54,734.20

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Solution

The fourth proportional to 73,166.20, 109,749.30 and 54,734.20 is: 82,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.20 : 109,749.30 = 54,734.20 : x
  2. Step 2: Convert to fraction form
    73,166.20/109,749.30 = 54,734.20/x
  3. Step 3: Cross multiply
    73,166.20x = 109,749.30 × 54,734.20
  4. Step 4: Simplify right side
    73,166.20x = 6,007,040,136.06
  5. Step 5: Solve for x
    x = 6,007,040,136.06/73,166.20
  6. Step 6: Final answer
    x = 82,101.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.