Finding the Fourth Proportional to 75,463.44, 113,247.16 and 31,090.26
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Solution
The fourth proportional to 75,463.44, 113,247.16 and 31,090.26 is: 46,656.81
Step by Step Solution
- Step 1: Write the proportion equation
75,463.44 : 113,247.16 = 31,090.26 : x - Step 2: Convert to fraction form
75,463.44/113,247.16 = 31,090.26/x - Step 3: Cross multiply
75,463.44x = 113,247.16 × 31,090.26 - Step 4: Simplify right side
75,463.44x = 3,520,883,493.21 - Step 5: Solve for x
x = 3,520,883,493.21/75,463.44 - Step 6: Final answer
x = 46,656.81
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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.