Home / 75,629.03-104,290.70-50,126.54

Finding the Fourth Proportional to 75,629.03, 104,290.70 and 50,126.54

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Solution

The fourth proportional to 75,629.03, 104,290.70 and 50,126.54 is: 69,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.03 : 104,290.70 = 50,126.54 : x
  2. Step 2: Convert to fraction form
    75,629.03/104,290.70 = 50,126.54/x
  3. Step 3: Cross multiply
    75,629.03x = 104,290.70 × 50,126.54
  4. Step 4: Simplify right side
    75,629.03x = 5,227,731,173.09
  5. Step 5: Solve for x
    x = 5,227,731,173.09/75,629.03
  6. Step 6: Final answer
    x = 69,123.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.