Home / 45,910.08-68,855.88-14,311.56

Finding the Fourth Proportional to 45,910.08, 68,855.88 and 14,311.56

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Solution

The fourth proportional to 45,910.08, 68,855.88 and 14,311.56 is: 21,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,910.08 : 68,855.88 = 14,311.56 : x
  2. Step 2: Convert to fraction form
    45,910.08/68,855.88 = 14,311.56/x
  3. Step 3: Cross multiply
    45,910.08x = 68,855.88 × 14,311.56
  4. Step 4: Simplify right side
    45,910.08x = 985,435,057.97
  5. Step 5: Solve for x
    x = 985,435,057.97/45,910.08
  6. Step 6: Final answer
    x = 21,464.46

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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.