Finding the Fourth Proportional to 69,620.67, 104,420.11 and 26,920.09
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Solution
The fourth proportional to 69,620.67, 104,420.11 and 26,920.09 is: 40,375.92
Step by Step Solution
- Step 1: Write the proportion equation
69,620.67 : 104,420.11 = 26,920.09 : x - Step 2: Convert to fraction form
69,620.67/104,420.11 = 26,920.09/x - Step 3: Cross multiply
69,620.67x = 104,420.11 × 26,920.09 - Step 4: Simplify right side
69,620.67x = 2,810,998,789.83 - Step 5: Solve for x
x = 2,810,998,789.83/69,620.67 - Step 6: Final answer
x = 40,375.92
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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.