Home / 76,745.44-114,905.58-39,224.73

Finding the Fourth Proportional to 76,745.44, 114,905.58 and 39,224.73

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Solution

The fourth proportional to 76,745.44, 114,905.58 and 39,224.73 is: 58,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,745.44 : 114,905.58 = 39,224.73 : x
  2. Step 2: Convert to fraction form
    76,745.44/114,905.58 = 39,224.73/x
  3. Step 3: Cross multiply
    76,745.44x = 114,905.58 × 39,224.73
  4. Step 4: Simplify right side
    76,745.44x = 4,507,140,350.99
  5. Step 5: Solve for x
    x = 4,507,140,350.99/76,745.44
  6. Step 6: Final answer
    x = 58,728.44

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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.