Home / 45,944.92-68,922.14-12,664.99

Finding the Fourth Proportional to 45,944.92, 68,922.14 and 12,664.99

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Solution

The fourth proportional to 45,944.92, 68,922.14 and 12,664.99 is: 18,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,944.92 : 68,922.14 = 12,664.99 : x
  2. Step 2: Convert to fraction form
    45,944.92/68,922.14 = 12,664.99/x
  3. Step 3: Cross multiply
    45,944.92x = 68,922.14 × 12,664.99
  4. Step 4: Simplify right side
    45,944.92x = 872,898,213.88
  5. Step 5: Solve for x
    x = 872,898,213.88/45,944.92
  6. Step 6: Final answer
    x = 18,998.80

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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.