Home / 103,619.68-155,429.53-33,504.46

Finding the Fourth Proportional to 103,619.68, 155,429.53 and 33,504.46

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Solution

The fourth proportional to 103,619.68, 155,429.53 and 33,504.46 is: 50,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.68 : 155,429.53 = 33,504.46 : x
  2. Step 2: Convert to fraction form
    103,619.68/155,429.53 = 33,504.46/x
  3. Step 3: Cross multiply
    103,619.68x = 155,429.53 × 33,504.46
  4. Step 4: Simplify right side
    103,619.68x = 5,207,581,998.37
  5. Step 5: Solve for x
    x = 5,207,581,998.37/103,619.68
  6. Step 6: Final answer
    x = 50,256.69

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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.