Finding the Fourth Proportional to 68,216.31, 102,135.53 and 34,864.56
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Solution
The fourth proportional to 68,216.31, 102,135.53 and 34,864.56 is: 52,200.28
Step by Step Solution
- Step 1: Write the proportion equation
68,216.31 : 102,135.53 = 34,864.56 : x - Step 2: Convert to fraction form
68,216.31/102,135.53 = 34,864.56/x - Step 3: Cross multiply
68,216.31x = 102,135.53 × 34,864.56 - Step 4: Simplify right side
68,216.31x = 3,560,910,400.98 - Step 5: Solve for x
x = 3,560,910,400.98/68,216.31 - Step 6: Final answer
x = 52,200.28
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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.