Finding the Fourth Proportional to 68,481.63, 102,696.53 and 29,057.31
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Solution
The fourth proportional to 68,481.63, 102,696.53 and 29,057.31 is: 43,574.97
Step by Step Solution
- Step 1: Write the proportion equation
68,481.63 : 102,696.53 = 29,057.31 : x - Step 2: Convert to fraction form
68,481.63/102,696.53 = 29,057.31/x - Step 3: Cross multiply
68,481.63x = 102,696.53 × 29,057.31 - Step 4: Simplify right side
68,481.63x = 2,984,084,762.85 - Step 5: Solve for x
x = 2,984,084,762.85/68,481.63 - Step 6: Final answer
x = 43,574.97
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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.