Finding the Fourth Proportional to 71,252.43, 106,845.71 and 40,087.68
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Solution
The fourth proportional to 71,252.43, 106,845.71 and 40,087.68 is: 60,112.99
Step by Step Solution
- Step 1: Write the proportion equation
71,252.43 : 106,845.71 = 40,087.68 : x - Step 2: Convert to fraction form
71,252.43/106,845.71 = 40,087.68/x - Step 3: Cross multiply
71,252.43x = 106,845.71 × 40,087.68 - Step 4: Simplify right side
71,252.43x = 4,283,196,431.41 - Step 5: Solve for x
x = 4,283,196,431.41/71,252.43 - Step 6: Final answer
x = 60,112.99
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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.