Finding the Fourth Proportional to 75,582.55, 113,415.60 and 31,198.92
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Solution
The fourth proportional to 75,582.55, 113,415.60 and 31,198.92 is: 46,815.63
Step by Step Solution
- Step 1: Write the proportion equation
75,582.55 : 113,415.60 = 31,198.92 : x - Step 2: Convert to fraction form
75,582.55/113,415.60 = 31,198.92/x - Step 3: Cross multiply
75,582.55x = 113,415.60 × 31,198.92 - Step 4: Simplify right side
75,582.55x = 3,538,444,407.24 - Step 5: Solve for x
x = 3,538,444,407.24/75,582.55 - Step 6: Final answer
x = 46,815.63
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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.