Finding the Fourth Proportional to 86,554.81, 129,851.67 and 27,394.03
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Solution
The fourth proportional to 86,554.81, 129,851.67 and 27,394.03 is: 41,097.20
Step by Step Solution
- Step 1: Write the proportion equation
86,554.81 : 129,851.67 = 27,394.03 : x - Step 2: Convert to fraction form
86,554.81/129,851.67 = 27,394.03/x - Step 3: Cross multiply
86,554.81x = 129,851.67 × 27,394.03 - Step 4: Simplify right side
86,554.81x = 3,557,160,543.53 - Step 5: Solve for x
x = 3,557,160,543.53/86,554.81 - Step 6: Final answer
x = 41,097.20
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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.