Home / 102,912.57-141,997.68-60,455.61

Finding the Fourth Proportional to 102,912.57, 141,997.68 and 60,455.61

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Solution

The fourth proportional to 102,912.57, 141,997.68 and 60,455.61 is: 83,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,912.57 : 141,997.68 = 60,455.61 : x
  2. Step 2: Convert to fraction form
    102,912.57/141,997.68 = 60,455.61/x
  3. Step 3: Cross multiply
    102,912.57x = 141,997.68 × 60,455.61
  4. Step 4: Simplify right side
    102,912.57x = 8,584,556,362.98
  5. Step 5: Solve for x
    x = 8,584,556,362.98/102,912.57
  6. Step 6: Final answer
    x = 83,416.01

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1.5x scale

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.