Finding the Fourth Proportional to 106,375.75, 159,590.97 and 39,816.84
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Solution
The fourth proportional to 106,375.75, 159,590.97 and 39,816.84 is: 59,735.50
Step by Step Solution
- Step 1: Write the proportion equation
106,375.75 : 159,590.97 = 39,816.84 : x - Step 2: Convert to fraction form
106,375.75/159,590.97 = 39,816.84/x - Step 3: Cross multiply
106,375.75x = 159,590.97 × 39,816.84 - Step 4: Simplify right side
106,375.75x = 6,354,408,117.93 - Step 5: Solve for x
x = 6,354,408,117.93/106,375.75 - Step 6: Final answer
x = 59,735.50
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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.