Home / 112,918.56-169,399.80-34,028.88

Finding the Fourth Proportional to 112,918.56, 169,399.80 and 34,028.88

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Solution

The fourth proportional to 112,918.56, 169,399.80 and 34,028.88 is: 51,049.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,918.56 : 169,399.80 = 34,028.88 : x
  2. Step 2: Convert to fraction form
    112,918.56/169,399.80 = 34,028.88/x
  3. Step 3: Cross multiply
    112,918.56x = 169,399.80 × 34,028.88
  4. Step 4: Simplify right side
    112,918.56x = 5,764,485,466.22
  5. Step 5: Solve for x
    x = 5,764,485,466.22/112,918.56
  6. Step 6: Final answer
    x = 51,049.94

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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.