Finding the Fourth Proportional to 99,162.62, 136,845.42 and 53,841.02
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Solution
The fourth proportional to 99,162.62, 136,845.42 and 53,841.02 is: 74,301.15
Step by Step Solution
- Step 1: Write the proportion equation
99,162.62 : 136,845.42 = 53,841.02 : x - Step 2: Convert to fraction form
99,162.62/136,845.42 = 53,841.02/x - Step 3: Cross multiply
99,162.62x = 136,845.42 × 53,841.02 - Step 4: Simplify right side
99,162.62x = 7,367,896,995.13 - Step 5: Solve for x
x = 7,367,896,995.13/99,162.62 - Step 6: Final answer
x = 74,301.15
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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.