Home / 45,754.20-68,631.30-16,171.80

Finding the Fourth Proportional to 45,754.20, 68,631.30 and 16,171.80

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Solution

The fourth proportional to 45,754.20, 68,631.30 and 16,171.80 is: 24,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,754.20 : 68,631.30 = 16,171.80 : x
  2. Step 2: Convert to fraction form
    45,754.20/68,631.30 = 16,171.80/x
  3. Step 3: Cross multiply
    45,754.20x = 68,631.30 × 16,171.80
  4. Step 4: Simplify right side
    45,754.20x = 1,109,891,657.34
  5. Step 5: Solve for x
    x = 1,109,891,657.34/45,754.20
  6. Step 6: Final answer
    x = 24,257.70

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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.