Finding the Fourth Proportional to 117,841.97, 162,548.52 and 71,880.62
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Solution
The fourth proportional to 117,841.97, 162,548.52 and 71,880.62 is: 99,150.49
Step by Step Solution
- Step 1: Write the proportion equation
117,841.97 : 162,548.52 = 71,880.62 : x - Step 2: Convert to fraction form
117,841.97/162,548.52 = 71,880.62/x - Step 3: Cross multiply
117,841.97x = 162,548.52 × 71,880.62 - Step 4: Simplify right side
117,841.97x = 11,684,089,035.22 - Step 5: Solve for x
x = 11,684,089,035.22/117,841.97 - Step 6: Final answer
x = 99,150.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.