Finding the Fourth Proportional to 68,605.92, 102,943.44 and 27,082.08
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Solution
The fourth proportional to 68,605.92, 102,943.44 and 27,082.08 is: 40,636.76
Step by Step Solution
- Step 1: Write the proportion equation
68,605.92 : 102,943.44 = 27,082.08 : x - Step 2: Convert to fraction form
68,605.92/102,943.44 = 27,082.08/x - Step 3: Cross multiply
68,605.92x = 102,943.44 × 27,082.08 - Step 4: Simplify right side
68,605.92x = 2,787,922,477.56 - Step 5: Solve for x
x = 2,787,922,477.56/68,605.92 - Step 6: Final answer
x = 40,636.76
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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.