Home / 103,739.67-155,634.03-33,618.96

Finding the Fourth Proportional to 103,739.67, 155,634.03 and 33,618.96

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Solution

The fourth proportional to 103,739.67, 155,634.03 and 33,618.96 is: 50,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,739.67 : 155,634.03 = 33,618.96 : x
  2. Step 2: Convert to fraction form
    103,739.67/155,634.03 = 33,618.96/x
  3. Step 3: Cross multiply
    103,739.67x = 155,634.03 × 33,618.96
  4. Step 4: Simplify right side
    103,739.67x = 5,232,254,229.21
  5. Step 5: Solve for x
    x = 5,232,254,229.21/103,739.67
  6. Step 6: Final answer
    x = 50,436.39

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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.