Finding the Fourth Proportional to 99,173.04, 136,855.26 and 53,850.09
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Solution
The fourth proportional to 99,173.04, 136,855.26 and 53,850.09 is: 74,311.20
Step by Step Solution
- Step 1: Write the proportion equation
99,173.04 : 136,855.26 = 53,850.09 : x - Step 2: Convert to fraction form
99,173.04/136,855.26 = 53,850.09/x - Step 3: Cross multiply
99,173.04x = 136,855.26 × 53,850.09 - Step 4: Simplify right side
99,173.04x = 7,369,668,067.97 - Step 5: Solve for x
x = 7,369,668,067.97/99,173.04 - Step 6: Final answer
x = 74,311.20
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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.