Home / 103,486.36-155,249.34-33,346.84

Finding the Fourth Proportional to 103,486.36, 155,249.34 and 33,346.84

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Solution

The fourth proportional to 103,486.36, 155,249.34 and 33,346.84 is: 50,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486.36 : 155,249.34 = 33,346.84 : x
  2. Step 2: Convert to fraction form
    103,486.36/155,249.34 = 33,346.84/x
  3. Step 3: Cross multiply
    103,486.36x = 155,249.34 × 33,346.84
  4. Step 4: Simplify right side
    103,486.36x = 5,177,074,901.09
  5. Step 5: Solve for x
    x = 5,177,074,901.09/103,486.36
  6. Step 6: Final answer
    x = 50,026.64

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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.