Home / 45,896.42-68,832.11-12,608.57

Finding the Fourth Proportional to 45,896.42, 68,832.11 and 12,608.57

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Solution

The fourth proportional to 45,896.42, 68,832.11 and 12,608.57 is: 18,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,896.42 : 68,832.11 = 12,608.57 : x
  2. Step 2: Convert to fraction form
    45,896.42/68,832.11 = 12,608.57/x
  3. Step 3: Cross multiply
    45,896.42x = 68,832.11 × 12,608.57
  4. Step 4: Simplify right side
    45,896.42x = 867,874,069.98
  5. Step 5: Solve for x
    x = 867,874,069.98/45,896.42
  6. Step 6: Final answer
    x = 18,909.41

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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.