Home / 103,499.07-155,248.60-33,378.38

Finding the Fourth Proportional to 103,499.07, 155,248.60 and 33,378.38

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Solution

The fourth proportional to 103,499.07, 155,248.60 and 33,378.38 is: 50,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,499.07 : 155,248.60 = 33,378.38 : x
  2. Step 2: Convert to fraction form
    103,499.07/155,248.60 = 33,378.38/x
  3. Step 3: Cross multiply
    103,499.07x = 155,248.60 × 33,378.38
  4. Step 4: Simplify right side
    103,499.07x = 5,181,946,765.27
  5. Step 5: Solve for x
    x = 5,181,946,765.27/103,499.07
  6. Step 6: Final answer
    x = 50,067.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.