Finding the Fourth Proportional to 71,165.97, 106,662.63 and 52,270.80
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Solution
The fourth proportional to 71,165.97, 106,662.63 and 52,270.80 is: 78,342.79
Step by Step Solution
- Step 1: Write the proportion equation
71,165.97 : 106,662.63 = 52,270.80 : x - Step 2: Convert to fraction form
71,165.97/106,662.63 = 52,270.80/x - Step 3: Cross multiply
71,165.97x = 106,662.63 × 52,270.80 - Step 4: Simplify right side
71,165.97x = 5,575,340,466.89 - Step 5: Solve for x
x = 5,575,340,466.89/71,165.97 - Step 6: Final answer
x = 78,342.79
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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.