Home / 45,813.44-68,722.23-12,532.76

Finding the Fourth Proportional to 45,813.44, 68,722.23 and 12,532.76

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Solution

The fourth proportional to 45,813.44, 68,722.23 and 12,532.76 is: 18,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.44 : 68,722.23 = 12,532.76 : x
  2. Step 2: Convert to fraction form
    45,813.44/68,722.23 = 12,532.76/x
  3. Step 3: Cross multiply
    45,813.44x = 68,722.23 × 12,532.76
  4. Step 4: Simplify right side
    45,813.44x = 861,279,215.25
  5. Step 5: Solve for x
    x = 861,279,215.25/45,813.44
  6. Step 6: Final answer
    x = 18,799.71

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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.