Home / 101,023.05-151,529.12-30,902.37

Finding the Fourth Proportional to 101,023.05, 151,529.12 and 30,902.37

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Solution

The fourth proportional to 101,023.05, 151,529.12 and 30,902.37 is: 46,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,023.05 : 151,529.12 = 30,902.37 : x
  2. Step 2: Convert to fraction form
    101,023.05/151,529.12 = 30,902.37/x
  3. Step 3: Cross multiply
    101,023.05x = 151,529.12 × 30,902.37
  4. Step 4: Simplify right side
    101,023.05x = 4,682,608,932.01
  5. Step 5: Solve for x
    x = 4,682,608,932.01/101,023.05
  6. Step 6: Final answer
    x = 46,351.89

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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.