Home / 75,615.03-113,448.20-33,489.45

Finding the Fourth Proportional to 75,615.03, 113,448.20 and 33,489.45

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Solution

The fourth proportional to 75,615.03, 113,448.20 and 33,489.45 is: 50,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,615.03 : 113,448.20 = 33,489.45 : x
  2. Step 2: Convert to fraction form
    75,615.03/113,448.20 = 33,489.45/x
  3. Step 3: Cross multiply
    75,615.03x = 113,448.20 × 33,489.45
  4. Step 4: Simplify right side
    75,615.03x = 3,799,318,105.11
  5. Step 5: Solve for x
    x = 3,799,318,105.11/75,615.03
  6. Step 6: Final answer
    x = 50,245.54

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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.