Finding the Fourth Proportional to 86,836.08, 130,249.11 and 33,517.63
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Solution
The fourth proportional to 86,836.08, 130,249.11 and 33,517.63 is: 50,274.51
Step by Step Solution
- Step 1: Write the proportion equation
86,836.08 : 130,249.11 = 33,517.63 : x - Step 2: Convert to fraction form
86,836.08/130,249.11 = 33,517.63/x - Step 3: Cross multiply
86,836.08x = 130,249.11 × 33,517.63 - Step 4: Simplify right side
86,836.08x = 4,365,641,765.31 - Step 5: Solve for x
x = 4,365,641,765.31/86,836.08 - Step 6: Final answer
x = 50,274.51
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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.