Finding the Fourth Proportional to 68,231.70, 102,347.55 and 50,735.70
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Solution
The fourth proportional to 68,231.70, 102,347.55 and 50,735.70 is: 76,103.55
Step by Step Solution
- Step 1: Write the proportion equation
68,231.70 : 102,347.55 = 50,735.70 : x - Step 2: Convert to fraction form
68,231.70/102,347.55 = 50,735.70/x - Step 3: Cross multiply
68,231.70x = 102,347.55 × 50,735.70 - Step 4: Simplify right side
68,231.70x = 5,192,674,592.54 - Step 5: Solve for x
x = 5,192,674,592.54/68,231.70 - Step 6: Final answer
x = 76,103.55
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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.