Home / 69,076.36-103,604.23-19,151.25

Finding the Fourth Proportional to 69,076.36, 103,604.23 and 19,151.25

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Solution

The fourth proportional to 69,076.36, 103,604.23 and 19,151.25 is: 28,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,076.36 : 103,604.23 = 19,151.25 : x
  2. Step 2: Convert to fraction form
    69,076.36/103,604.23 = 19,151.25/x
  3. Step 3: Cross multiply
    69,076.36x = 103,604.23 × 19,151.25
  4. Step 4: Simplify right side
    69,076.36x = 1,984,150,509.79
  5. Step 5: Solve for x
    x = 1,984,150,509.79/69,076.36
  6. Step 6: Final answer
    x = 28,724.02

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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.