Home / 90,906.55-136,349.38-34,745.41

Finding the Fourth Proportional to 90,906.55, 136,349.38 and 34,745.41

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Solution

The fourth proportional to 90,906.55, 136,349.38 and 34,745.41 is: 52,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,906.55 : 136,349.38 = 34,745.41 : x
  2. Step 2: Convert to fraction form
    90,906.55/136,349.38 = 34,745.41/x
  3. Step 3: Cross multiply
    90,906.55x = 136,349.38 × 34,745.41
  4. Step 4: Simplify right side
    90,906.55x = 4,737,515,111.35
  5. Step 5: Solve for x
    x = 4,737,515,111.35/90,906.55
  6. Step 6: Final answer
    x = 52,114.12

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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.