Home / 57,236.05-85,905.53-30,604.80

Finding the Fourth Proportional to 57,236.05, 85,905.53 and 30,604.80

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Solution

The fourth proportional to 57,236.05, 85,905.53 and 30,604.80 is: 45,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.05 : 85,905.53 = 30,604.80 : x
  2. Step 2: Convert to fraction form
    57,236.05/85,905.53 = 30,604.80/x
  3. Step 3: Cross multiply
    57,236.05x = 85,905.53 × 30,604.80
  4. Step 4: Simplify right side
    57,236.05x = 2,629,121,731.78
  5. Step 5: Solve for x
    x = 2,629,121,731.78/57,236.05
  6. Step 6: Final answer
    x = 45,934.72

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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.