Finding the Fourth Proportional to 89,316.97, 133,896.56 and 68,350.62
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Solution
The fourth proportional to 89,316.97, 133,896.56 and 68,350.62 is: 102,465.55
Step by Step Solution
- Step 1: Write the proportion equation
89,316.97 : 133,896.56 = 68,350.62 : x - Step 2: Convert to fraction form
89,316.97/133,896.56 = 68,350.62/x - Step 3: Cross multiply
89,316.97x = 133,896.56 × 68,350.62 - Step 4: Simplify right side
89,316.97x = 9,151,912,891.87 - Step 5: Solve for x
x = 9,151,912,891.87/89,316.97 - Step 6: Final answer
x = 102,465.55
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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.