Finding the Fourth Proportional to 75,464.44, 113,248.66 and 31,091.26
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Solution
The fourth proportional to 75,464.44, 113,248.66 and 31,091.26 is: 46,658.31
Step by Step Solution
- Step 1: Write the proportion equation
75,464.44 : 113,248.66 = 31,091.26 : x - Step 2: Convert to fraction form
75,464.44/113,248.66 = 31,091.26/x - Step 3: Cross multiply
75,464.44x = 113,248.66 × 31,091.26 - Step 4: Simplify right side
75,464.44x = 3,521,043,532.71 - Step 5: Solve for x
x = 3,521,043,532.71/75,464.44 - Step 6: Final answer
x = 46,658.31
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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.