Finding the Fourth Proportional to 98,266.82, 135,608.66 and 55,827.68
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Solution
The fourth proportional to 98,266.82, 135,608.66 and 55,827.68 is: 77,042.45
Step by Step Solution
- Step 1: Write the proportion equation
98,266.82 : 135,608.66 = 55,827.68 : x - Step 2: Convert to fraction form
98,266.82/135,608.66 = 55,827.68/x - Step 3: Cross multiply
98,266.82x = 135,608.66 × 55,827.68 - Step 4: Simplify right side
98,266.82x = 7,570,715,918.53 - Step 5: Solve for x
x = 7,570,715,918.53/98,266.82 - Step 6: Final answer
x = 77,042.45
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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.