Finding the Fourth Proportional to 86,452.67, 129,647.81 and 36,536.63
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Solution
The fourth proportional to 86,452.67, 129,647.81 and 36,536.63 is: 54,791.75
Step by Step Solution
- Step 1: Write the proportion equation
86,452.67 : 129,647.81 = 36,536.63 : x - Step 2: Convert to fraction form
86,452.67/129,647.81 = 36,536.63/x - Step 3: Cross multiply
86,452.67x = 129,647.81 × 36,536.63 - Step 4: Simplify right side
86,452.67x = 4,736,893,233.36 - Step 5: Solve for x
x = 4,736,893,233.36/86,452.67 - Step 6: Final answer
x = 54,791.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.