Finding the Fourth Proportional to 82,877.75, 124,316.63 and 27,473.75
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Solution
The fourth proportional to 82,877.75, 124,316.63 and 27,473.75 is: 41,210.63
Step by Step Solution
- Step 1: Write the proportion equation
82,877.75 : 124,316.63 = 27,473.75 : x - Step 2: Convert to fraction form
82,877.75/124,316.63 = 27,473.75/x - Step 3: Cross multiply
82,877.75x = 124,316.63 × 27,473.75 - Step 4: Simplify right side
82,877.75x = 3,415,444,013.46 - Step 5: Solve for x
x = 3,415,444,013.46/82,877.75 - Step 6: Final answer
x = 41,210.63
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1.5x scale
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.