Finding the Fourth Proportional to 117,367.29, 161,952.01 and 69,611.31
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Solution
The fourth proportional to 117,367.29, 161,952.01 and 69,611.31 is: 96,054.80
Step by Step Solution
- Step 1: Write the proportion equation
117,367.29 : 161,952.01 = 69,611.31 : x - Step 2: Convert to fraction form
117,367.29/161,952.01 = 69,611.31/x - Step 3: Cross multiply
117,367.29x = 161,952.01 × 69,611.31 - Step 4: Simplify right side
117,367.29x = 11,273,691,399.20 - Step 5: Solve for x
x = 11,273,691,399.20/117,367.29 - Step 6: Final answer
x = 96,054.80
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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.