Home / 69,919.84-104,839.26-47,760.00

Finding the Fourth Proportional to 69,919.84, 104,839.26 and 47,760.00

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Solution

The fourth proportional to 69,919.84, 104,839.26 and 47,760.00 is: 71,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,919.84 : 104,839.26 = 47,760.00 : x
  2. Step 2: Convert to fraction form
    69,919.84/104,839.26 = 47,760.00/x
  3. Step 3: Cross multiply
    69,919.84x = 104,839.26 × 47,760.00
  4. Step 4: Simplify right side
    69,919.84x = 5,007,122,754.00
  5. Step 5: Solve for x
    x = 5,007,122,754.00/69,919.84
  6. Step 6: Final answer
    x = 71,612.33

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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.