Finding the Fourth Proportional to 84,072.26, 126,145.74 and 44,081.66
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Solution
The fourth proportional to 84,072.26, 126,145.74 and 44,081.66 is: 66,142.07
Step by Step Solution
- Step 1: Write the proportion equation
84,072.26 : 126,145.74 = 44,081.66 : x - Step 2: Convert to fraction form
84,072.26/126,145.74 = 44,081.66/x - Step 3: Cross multiply
84,072.26x = 126,145.74 × 44,081.66 - Step 4: Simplify right side
84,072.26x = 5,560,713,621.13 - Step 5: Solve for x
x = 5,560,713,621.13/84,072.26 - Step 6: Final answer
x = 66,142.07
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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.