Home / 100,950.19-151,419.81-30,824.03

Finding the Fourth Proportional to 100,950.19, 151,419.81 and 30,824.03

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Solution

The fourth proportional to 100,950.19, 151,419.81 and 30,824.03 is: 46,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,950.19 : 151,419.81 = 30,824.03 : x
  2. Step 2: Convert to fraction form
    100,950.19/151,419.81 = 30,824.03/x
  3. Step 3: Cross multiply
    100,950.19x = 151,419.81 × 30,824.03
  4. Step 4: Simplify right side
    100,950.19x = 4,667,368,766.03
  5. Step 5: Solve for x
    x = 4,667,368,766.03/100,950.19
  6. Step 6: Final answer
    x = 46,234.37

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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.