Finding the Fourth Proportional to 67,141.76, 100,724.64 and 27,677.36
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Solution
The fourth proportional to 67,141.76, 100,724.64 and 27,677.36 is: 41,520.99
Step by Step Solution
- Step 1: Write the proportion equation
67,141.76 : 100,724.64 = 27,677.36 : x - Step 2: Convert to fraction form
67,141.76/100,724.64 = 27,677.36/x - Step 3: Cross multiply
67,141.76x = 100,724.64 × 27,677.36 - Step 4: Simplify right side
67,141.76x = 2,787,792,122.15 - Step 5: Solve for x
x = 2,787,792,122.15/67,141.76 - Step 6: Final answer
x = 41,520.99
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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.