Finding the Fourth Proportional to 82,539.36, 123,869.16 and 29,953.08
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Solution
The fourth proportional to 82,539.36, 123,869.16 and 29,953.08 is: 44,951.44
Step by Step Solution
- Step 1: Write the proportion equation
82,539.36 : 123,869.16 = 29,953.08 : x - Step 2: Convert to fraction form
82,539.36/123,869.16 = 29,953.08/x - Step 3: Cross multiply
82,539.36x = 123,869.16 × 29,953.08 - Step 4: Simplify right side
82,539.36x = 3,710,262,859.01 - Step 5: Solve for x
x = 3,710,262,859.01/82,539.36 - Step 6: Final answer
x = 44,951.44
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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.