Home / 69,102.27-103,653.07-26,986.63

Finding the Fourth Proportional to 69,102.27, 103,653.07 and 26,986.63

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Solution

The fourth proportional to 69,102.27, 103,653.07 and 26,986.63 is: 40,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,102.27 : 103,653.07 = 26,986.63 : x
  2. Step 2: Convert to fraction form
    69,102.27/103,653.07 = 26,986.63/x
  3. Step 3: Cross multiply
    69,102.27x = 103,653.07 × 26,986.63
  4. Step 4: Simplify right side
    69,102.27x = 2,797,247,048.45
  5. Step 5: Solve for x
    x = 2,797,247,048.45/69,102.27
  6. Step 6: Final answer
    x = 40,479.81

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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.