Home / 111,003.11-166,529.26-51,806.48

Finding the Fourth Proportional to 111,003.11, 166,529.26 and 51,806.48

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Solution

The fourth proportional to 111,003.11, 166,529.26 and 51,806.48 is: 77,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,003.11 : 166,529.26 = 51,806.48 : x
  2. Step 2: Convert to fraction form
    111,003.11/166,529.26 = 51,806.48/x
  3. Step 3: Cross multiply
    111,003.11x = 166,529.26 × 51,806.48
  4. Step 4: Simplify right side
    111,003.11x = 8,627,294,777.60
  5. Step 5: Solve for x
    x = 8,627,294,777.60/111,003.11
  6. Step 6: Final answer
    x = 77,721.20

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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.