Finding the Fourth Proportional to 86,576.09, 129,984.93 and 44,491.84
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Solution
The fourth proportional to 86,576.09, 129,984.93 and 44,491.84 is: 66,799.84
Step by Step Solution
- Step 1: Write the proportion equation
86,576.09 : 129,984.93 = 44,491.84 : x - Step 2: Convert to fraction form
86,576.09/129,984.93 = 44,491.84/x - Step 3: Cross multiply
86,576.09x = 129,984.93 × 44,491.84 - Step 4: Simplify right side
86,576.09x = 5,783,268,383.01 - Step 5: Solve for x
x = 5,783,268,383.01/86,576.09 - Step 6: Final answer
x = 66,799.84
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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.