Home / 69,620.45-104,431.23-19,702.17

Finding the Fourth Proportional to 69,620.45, 104,431.23 and 19,702.17

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Solution

The fourth proportional to 69,620.45, 104,431.23 and 19,702.17 is: 29,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620.45 : 104,431.23 = 19,702.17 : x
  2. Step 2: Convert to fraction form
    69,620.45/104,431.23 = 19,702.17/x
  3. Step 3: Cross multiply
    69,620.45x = 104,431.23 × 19,702.17
  4. Step 4: Simplify right side
    69,620.45x = 2,057,521,846.77
  5. Step 5: Solve for x
    x = 2,057,521,846.77/69,620.45
  6. Step 6: Final answer
    x = 29,553.41

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1.5x scale

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.