Finding the Fourth Proportional to 68,138.20, 102,224.30 and 23,765.59
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Solution
The fourth proportional to 68,138.20, 102,224.30 and 23,765.59 is: 35,654.31
Step by Step Solution
- Step 1: Write the proportion equation
68,138.20 : 102,224.30 = 23,765.59 : x - Step 2: Convert to fraction form
68,138.20/102,224.30 = 23,765.59/x - Step 3: Cross multiply
68,138.20x = 102,224.30 × 23,765.59 - Step 4: Simplify right side
68,138.20x = 2,429,420,350.13 - Step 5: Solve for x
x = 2,429,420,350.13/68,138.20 - Step 6: Final answer
x = 35,654.31
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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.