Finding the Fourth Proportional to 82,666.68, 123,995.58 and 48,491.48
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Solution
The fourth proportional to 82,666.68, 123,995.58 and 48,491.48 is: 72,734.62
Step by Step Solution
- Step 1: Write the proportion equation
82,666.68 : 123,995.58 = 48,491.48 : x - Step 2: Convert to fraction form
82,666.68/123,995.58 = 48,491.48/x - Step 3: Cross multiply
82,666.68x = 123,995.58 × 48,491.48 - Step 4: Simplify right side
82,666.68x = 6,012,729,187.66 - Step 5: Solve for x
x = 6,012,729,187.66/82,666.68 - Step 6: Final answer
x = 72,734.62
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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.