Home / 45,611.26-68,416.42-14,446.52

Finding the Fourth Proportional to 45,611.26, 68,416.42 and 14,446.52

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Solution

The fourth proportional to 45,611.26, 68,416.42 and 14,446.52 is: 21,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,611.26 : 68,416.42 = 14,446.52 : x
  2. Step 2: Convert to fraction form
    45,611.26/68,416.42 = 14,446.52/x
  3. Step 3: Cross multiply
    45,611.26x = 68,416.42 × 14,446.52
  4. Step 4: Simplify right side
    45,611.26x = 988,379,179.86
  5. Step 5: Solve for x
    x = 988,379,179.86/45,611.26
  6. Step 6: Final answer
    x = 21,669.63

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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.