Home / 100,518.09-150,777.77-33,958.59

Finding the Fourth Proportional to 100,518.09, 150,777.77 and 33,958.59

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Solution

The fourth proportional to 100,518.09, 150,777.77 and 33,958.59 is: 50,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,518.09 : 150,777.77 = 33,958.59 : x
  2. Step 2: Convert to fraction form
    100,518.09/150,777.77 = 33,958.59/x
  3. Step 3: Cross multiply
    100,518.09x = 150,777.77 × 33,958.59
  4. Step 4: Simplify right side
    100,518.09x = 5,120,200,302.75
  5. Step 5: Solve for x
    x = 5,120,200,302.75/100,518.09
  6. Step 6: Final answer
    x = 50,938.10

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1.5x scale

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.