Home / 76,745.73-114,906.03-39,225.01

Finding the Fourth Proportional to 76,745.73, 114,906.03 and 39,225.01

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Solution

The fourth proportional to 76,745.73, 114,906.03 and 39,225.01 is: 58,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,745.73 : 114,906.03 = 39,225.01 : x
  2. Step 2: Convert to fraction form
    76,745.73/114,906.03 = 39,225.01/x
  3. Step 3: Cross multiply
    76,745.73x = 114,906.03 × 39,225.01
  4. Step 4: Simplify right side
    76,745.73x = 4,507,189,601.28
  5. Step 5: Solve for x
    x = 4,507,189,601.28/76,745.73
  6. Step 6: Final answer
    x = 58,728.86

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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.