Home / 74,997.62-112,496.43-30,039.39

Finding the Fourth Proportional to 74,997.62, 112,496.43 and 30,039.39

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Solution

The fourth proportional to 74,997.62, 112,496.43 and 30,039.39 is: 45,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,997.62 : 112,496.43 = 30,039.39 : x
  2. Step 2: Convert to fraction form
    74,997.62/112,496.43 = 30,039.39/x
  3. Step 3: Cross multiply
    74,997.62x = 112,496.43 × 30,039.39
  4. Step 4: Simplify right side
    74,997.62x = 3,379,324,134.38
  5. Step 5: Solve for x
    x = 3,379,324,134.38/74,997.62
  6. Step 6: Final answer
    x = 45,059.09

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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.