Home / 77,912.10-116,874.23-33,540.30

Finding the Fourth Proportional to 77,912.10, 116,874.23 and 33,540.30

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Solution

The fourth proportional to 77,912.10, 116,874.23 and 33,540.30 is: 50,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,912.10 : 116,874.23 = 33,540.30 : x
  2. Step 2: Convert to fraction form
    77,912.10/116,874.23 = 33,540.30/x
  3. Step 3: Cross multiply
    77,912.10x = 116,874.23 × 33,540.30
  4. Step 4: Simplify right side
    77,912.10x = 3,919,996,568.77
  5. Step 5: Solve for x
    x = 3,919,996,568.77/77,912.10
  6. Step 6: Final answer
    x = 50,313.07

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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.