Home / 103,696.56-155,464.92-33,557.04

Finding the Fourth Proportional to 103,696.56, 155,464.92 and 33,557.04

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Solution

The fourth proportional to 103,696.56, 155,464.92 and 33,557.04 is: 50,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,696.56 : 155,464.92 = 33,557.04 : x
  2. Step 2: Convert to fraction form
    103,696.56/155,464.92 = 33,557.04/x
  3. Step 3: Cross multiply
    103,696.56x = 155,464.92 × 33,557.04
  4. Step 4: Simplify right side
    103,696.56x = 5,216,942,539.04
  5. Step 5: Solve for x
    x = 5,216,942,539.04/103,696.56
  6. Step 6: Final answer
    x = 50,309.70

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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.