Home / 45,996.26-68,856.88-28,170.80

Finding the Fourth Proportional to 45,996.26, 68,856.88 and 28,170.80

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Solution

The fourth proportional to 45,996.26, 68,856.88 and 28,170.80 is: 42,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,996.26 : 68,856.88 = 28,170.80 : x
  2. Step 2: Convert to fraction form
    45,996.26/68,856.88 = 28,170.80/x
  3. Step 3: Cross multiply
    45,996.26x = 68,856.88 × 28,170.80
  4. Step 4: Simplify right side
    45,996.26x = 1,939,753,395.10
  5. Step 5: Solve for x
    x = 1,939,753,395.10/45,996.26
  6. Step 6: Final answer
    x = 42,171.98

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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.