Home / 70,325.85-96,948.81-50,147.75

Finding the Fourth Proportional to 70,325.85, 96,948.81 and 50,147.75

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Solution

The fourth proportional to 70,325.85, 96,948.81 and 50,147.75 is: 69,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,325.85 : 96,948.81 = 50,147.75 : x
  2. Step 2: Convert to fraction form
    70,325.85/96,948.81 = 50,147.75/x
  3. Step 3: Cross multiply
    70,325.85x = 96,948.81 × 50,147.75
  4. Step 4: Simplify right side
    70,325.85x = 4,861,764,201.93
  5. Step 5: Solve for x
    x = 4,861,764,201.93/70,325.85
  6. Step 6: Final answer
    x = 69,131.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.