Home / 69,516.87-104,268.13-47,171.03

Finding the Fourth Proportional to 69,516.87, 104,268.13 and 47,171.03

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Solution

The fourth proportional to 69,516.87, 104,268.13 and 47,171.03 is: 70,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,516.87 : 104,268.13 = 47,171.03 : x
  2. Step 2: Convert to fraction form
    69,516.87/104,268.13 = 47,171.03/x
  3. Step 3: Cross multiply
    69,516.87x = 104,268.13 × 47,171.03
  4. Step 4: Simplify right side
    69,516.87x = 4,918,434,768.45
  5. Step 5: Solve for x
    x = 4,918,434,768.45/69,516.87
  6. Step 6: Final answer
    x = 70,751.67

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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.