Finding the Fourth Proportional to 82,891.18, 124,423.73 and 73,463.84
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Solution
The fourth proportional to 82,891.18, 124,423.73 and 73,463.84 is: 110,272.84
Step by Step Solution
- Step 1: Write the proportion equation
82,891.18 : 124,423.73 = 73,463.84 : x - Step 2: Convert to fraction form
82,891.18/124,423.73 = 73,463.84/x - Step 3: Cross multiply
82,891.18x = 124,423.73 × 73,463.84 - Step 4: Simplify right side
82,891.18x = 9,140,645,099.23 - Step 5: Solve for x
x = 9,140,645,099.23/82,891.18 - Step 6: Final answer
x = 110,272.84
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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.