Finding the Fourth Proportional to 82,307.36, 113,578.27 and 48,317.23
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Solution
The fourth proportional to 82,307.36, 113,578.27 and 48,317.23 is: 66,674.32
Step by Step Solution
- Step 1: Write the proportion equation
82,307.36 : 113,578.27 = 48,317.23 : x - Step 2: Convert to fraction form
82,307.36/113,578.27 = 48,317.23/x - Step 3: Cross multiply
82,307.36x = 113,578.27 × 48,317.23 - Step 4: Simplify right side
82,307.36x = 5,487,787,415.77 - Step 5: Solve for x
x = 5,487,787,415.77/82,307.36 - Step 6: Final answer
x = 66,674.32
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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.