Finding the Fourth Proportional to 82,490.84, 113,837.64 and 44,765.08
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Solution
The fourth proportional to 82,490.84, 113,837.64 and 44,765.08 is: 61,775.96
Step by Step Solution
- Step 1: Write the proportion equation
82,490.84 : 113,837.64 = 44,765.08 : x - Step 2: Convert to fraction form
82,490.84/113,837.64 = 44,765.08/x - Step 3: Cross multiply
82,490.84x = 113,837.64 × 44,765.08 - Step 4: Simplify right side
82,490.84x = 5,095,951,061.61 - Step 5: Solve for x
x = 5,095,951,061.61/82,490.84 - Step 6: Final answer
x = 61,775.96
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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.