Home / 99,850.08-149,733.72-40,645.56

Finding the Fourth Proportional to 99,850.08, 149,733.72 and 40,645.56

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Solution

The fourth proportional to 99,850.08, 149,733.72 and 40,645.56 is: 60,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,850.08 : 149,733.72 = 40,645.56 : x
  2. Step 2: Convert to fraction form
    99,850.08/149,733.72 = 40,645.56/x
  3. Step 3: Cross multiply
    99,850.08x = 149,733.72 × 40,645.56
  4. Step 4: Simplify right side
    99,850.08x = 6,086,010,900.28
  5. Step 5: Solve for x
    x = 6,086,010,900.28/99,850.08
  6. Step 6: Final answer
    x = 60,951.49

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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.