Finding the Fourth Proportional to 86,407.07, 129,606.29 and 33,826.19
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Solution
The fourth proportional to 86,407.07, 129,606.29 and 33,826.19 is: 50,737.59
Step by Step Solution
- Step 1: Write the proportion equation
86,407.07 : 129,606.29 = 33,826.19 : x - Step 2: Convert to fraction form
86,407.07/129,606.29 = 33,826.19/x - Step 3: Cross multiply
86,407.07x = 129,606.29 × 33,826.19 - Step 4: Simplify right side
86,407.07x = 4,384,086,821.60 - Step 5: Solve for x
x = 4,384,086,821.60/86,407.07 - Step 6: Final answer
x = 50,737.59
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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.