Finding the Fourth Proportional to 86,078.46, 129,092.58 and 33,475.44
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Solution
The fourth proportional to 86,078.46, 129,092.58 and 33,475.44 is: 50,203.39
Step by Step Solution
- Step 1: Write the proportion equation
86,078.46 : 129,092.58 = 33,475.44 : x - Step 2: Convert to fraction form
86,078.46/129,092.58 = 33,475.44/x - Step 3: Cross multiply
86,078.46x = 129,092.58 × 33,475.44 - Step 4: Simplify right side
86,078.46x = 4,321,430,916.24 - Step 5: Solve for x
x = 4,321,430,916.24/86,078.46 - Step 6: Final answer
x = 50,203.39
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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.