Home / 68,072.28-102,073.32-30,600.33

Finding the Fourth Proportional to 68,072.28, 102,073.32 and 30,600.33

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Solution

The fourth proportional to 68,072.28, 102,073.32 and 30,600.33 is: 45,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,072.28 : 102,073.32 = 30,600.33 : x
  2. Step 2: Convert to fraction form
    68,072.28/102,073.32 = 30,600.33/x
  3. Step 3: Cross multiply
    68,072.28x = 102,073.32 × 30,600.33
  4. Step 4: Simplify right side
    68,072.28x = 3,123,477,276.20
  5. Step 5: Solve for x
    x = 3,123,477,276.20/68,072.28
  6. Step 6: Final answer
    x = 45,884.72

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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.