Finding the Fourth Proportional to 82,455.93, 113,791.98 and 48,463.94
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Solution
The fourth proportional to 82,455.93, 113,791.98 and 48,463.94 is: 66,881.88
Step by Step Solution
- Step 1: Write the proportion equation
82,455.93 : 113,791.98 = 48,463.94 : x - Step 2: Convert to fraction form
82,455.93/113,791.98 = 48,463.94/x - Step 3: Cross multiply
82,455.93x = 113,791.98 × 48,463.94 - Step 4: Simplify right side
82,455.93x = 5,514,807,691.20 - Step 5: Solve for x
x = 5,514,807,691.20/82,455.93 - Step 6: Final answer
x = 66,881.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.