Home / 45,524.21-68,328.97-28,028.21

Finding the Fourth Proportional to 45,524.21, 68,328.97 and 28,028.21

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Solution

The fourth proportional to 45,524.21, 68,328.97 and 28,028.21 is: 42,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,524.21 : 68,328.97 = 28,028.21 : x
  2. Step 2: Convert to fraction form
    45,524.21/68,328.97 = 28,028.21/x
  3. Step 3: Cross multiply
    45,524.21x = 68,328.97 × 28,028.21
  4. Step 4: Simplify right side
    45,524.21x = 1,915,138,308.53
  5. Step 5: Solve for x
    x = 1,915,138,308.53/45,524.21
  6. Step 6: Final answer
    x = 42,068.57

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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.