Home / 99,458.50-149,249.94-40,294.48

Finding the Fourth Proportional to 99,458.50, 149,249.94 and 40,294.48

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Solution

The fourth proportional to 99,458.50, 149,249.94 and 40,294.48 is: 60,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,458.50 : 149,249.94 = 40,294.48 : x
  2. Step 2: Convert to fraction form
    99,458.50/149,249.94 = 40,294.48/x
  3. Step 3: Cross multiply
    99,458.50x = 149,249.94 × 40,294.48
  4. Step 4: Simplify right side
    99,458.50x = 6,013,948,722.33
  5. Step 5: Solve for x
    x = 6,013,948,722.33/99,458.50
  6. Step 6: Final answer
    x = 60,466.92

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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.