Finding the Fourth Proportional to 82,113.14, 113,316.18 and 44,387.40
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Solution
The fourth proportional to 82,113.14, 113,316.18 and 44,387.40 is: 61,254.64
Step by Step Solution
- Step 1: Write the proportion equation
82,113.14 : 113,316.18 = 44,387.40 : x - Step 2: Convert to fraction form
82,113.14/113,316.18 = 44,387.40/x - Step 3: Cross multiply
82,113.14x = 113,316.18 × 44,387.40 - Step 4: Simplify right side
82,113.14x = 5,029,810,608.13 - Step 5: Solve for x
x = 5,029,810,608.13/82,113.14 - Step 6: Final answer
x = 61,254.64
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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.