Home / 75,982.24-113,986.32-33,877.60

Finding the Fourth Proportional to 75,982.24, 113,986.32 and 33,877.60

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Solution

The fourth proportional to 75,982.24, 113,986.32 and 33,877.60 is: 50,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,982.24 : 113,986.32 = 33,877.60 : x
  2. Step 2: Convert to fraction form
    75,982.24/113,986.32 = 33,877.60/x
  3. Step 3: Cross multiply
    75,982.24x = 113,986.32 × 33,877.60
  4. Step 4: Simplify right side
    75,982.24x = 3,861,582,954.43
  5. Step 5: Solve for x
    x = 3,861,582,954.43/75,982.24
  6. Step 6: Final answer
    x = 50,822.18

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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.