Home / 69,720.39-104,604.28-25,350.71

Finding the Fourth Proportional to 69,720.39, 104,604.28 and 25,350.71

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Solution

The fourth proportional to 69,720.39, 104,604.28 and 25,350.71 is: 38,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.39 : 104,604.28 = 25,350.71 : x
  2. Step 2: Convert to fraction form
    69,720.39/104,604.28 = 25,350.71/x
  3. Step 3: Cross multiply
    69,720.39x = 104,604.28 × 25,350.71
  4. Step 4: Simplify right side
    69,720.39x = 2,651,792,180.64
  5. Step 5: Solve for x
    x = 2,651,792,180.64/69,720.39
  6. Step 6: Final answer
    x = 38,034.67

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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.