Finding the Fourth Proportional to 86,325.73, 129,609.75 and 44,236.06
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Solution
The fourth proportional to 86,325.73, 129,609.75 and 44,236.06 is: 66,416.17
Step by Step Solution
- Step 1: Write the proportion equation
86,325.73 : 129,609.75 = 44,236.06 : x - Step 2: Convert to fraction form
86,325.73/129,609.75 = 44,236.06/x - Step 3: Cross multiply
86,325.73x = 129,609.75 × 44,236.06 - Step 4: Simplify right side
86,325.73x = 5,733,424,677.59 - Step 5: Solve for x
x = 5,733,424,677.59/86,325.73 - Step 6: Final answer
x = 66,416.17
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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.