Home / 99,857.22-149,768.82-33,290.34

Finding the Fourth Proportional to 99,857.22, 149,768.82 and 33,290.34

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Solution

The fourth proportional to 99,857.22, 149,768.82 and 33,290.34 is: 49,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,857.22 : 149,768.82 = 33,290.34 : x
  2. Step 2: Convert to fraction form
    99,857.22/149,768.82 = 33,290.34/x
  3. Step 3: Cross multiply
    99,857.22x = 149,768.82 × 33,290.34
  4. Step 4: Simplify right side
    99,857.22x = 4,985,854,939.20
  5. Step 5: Solve for x
    x = 4,985,854,939.20/99,857.22
  6. Step 6: Final answer
    x = 49,929.84

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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.