Home / 68,156.92-102,236.46-34,782.76

Finding the Fourth Proportional to 68,156.92, 102,236.46 and 34,782.76

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Solution

The fourth proportional to 68,156.92, 102,236.46 and 34,782.76 is: 52,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,156.92 : 102,236.46 = 34,782.76 : x
  2. Step 2: Convert to fraction form
    68,156.92/102,236.46 = 34,782.76/x
  3. Step 3: Cross multiply
    68,156.92x = 102,236.46 × 34,782.76
  4. Step 4: Simplify right side
    68,156.92x = 3,556,066,251.43
  5. Step 5: Solve for x
    x = 3,556,066,251.43/68,156.92
  6. Step 6: Final answer
    x = 52,174.69

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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.