Home / 69,301.38-103,951.16-16,710.41

Finding the Fourth Proportional to 69,301.38, 103,951.16 and 16,710.41

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Solution

The fourth proportional to 69,301.38, 103,951.16 and 16,710.41 is: 25,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,301.38 : 103,951.16 = 16,710.41 : x
  2. Step 2: Convert to fraction form
    69,301.38/103,951.16 = 16,710.41/x
  3. Step 3: Cross multiply
    69,301.38x = 103,951.16 × 16,710.41
  4. Step 4: Simplify right side
    69,301.38x = 1,737,065,900.27
  5. Step 5: Solve for x
    x = 1,737,065,900.27/69,301.38
  6. Step 6: Final answer
    x = 25,065.39

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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.