Home / 57,040.21-85,142.52-50,306.76

Finding the Fourth Proportional to 57,040.21, 85,142.52 and 50,306.76

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Solution

The fourth proportional to 57,040.21, 85,142.52 and 50,306.76 is: 75,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.21 : 85,142.52 = 50,306.76 : x
  2. Step 2: Convert to fraction form
    57,040.21/85,142.52 = 50,306.76/x
  3. Step 3: Cross multiply
    57,040.21x = 85,142.52 × 50,306.76
  4. Step 4: Simplify right side
    57,040.21x = 4,283,244,067.90
  5. Step 5: Solve for x
    x = 4,283,244,067.90/57,040.21
  6. Step 6: Final answer
    x = 75,091.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.