Finding the Fourth Proportional to 117,677.94, 162,396.64 and 63,963.08
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Solution
The fourth proportional to 117,677.94, 162,396.64 and 63,963.08 is: 88,269.64
Step by Step Solution
- Step 1: Write the proportion equation
117,677.94 : 162,396.64 = 63,963.08 : x - Step 2: Convert to fraction form
117,677.94/162,396.64 = 63,963.08/x - Step 3: Cross multiply
117,677.94x = 162,396.64 × 63,963.08 - Step 4: Simplify right side
117,677.94x = 10,387,389,276.05 - Step 5: Solve for x
x = 10,387,389,276.05/117,677.94 - Step 6: Final answer
x = 88,269.64
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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.