Home / 69,381.27-104,071.44-16,790.76

Finding the Fourth Proportional to 69,381.27, 104,071.44 and 16,790.76

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Solution

The fourth proportional to 69,381.27, 104,071.44 and 16,790.76 is: 25,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,381.27 : 104,071.44 = 16,790.76 : x
  2. Step 2: Convert to fraction form
    69,381.27/104,071.44 = 16,790.76/x
  3. Step 3: Cross multiply
    69,381.27x = 104,071.44 × 16,790.76
  4. Step 4: Simplify right side
    69,381.27x = 1,747,438,571.89
  5. Step 5: Solve for x
    x = 1,747,438,571.89/69,381.27
  6. Step 6: Final answer
    x = 25,186.03

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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.