Finding the Fourth Proportional to 82,112.68, 113,315.60 and 44,386.92
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Solution
The fourth proportional to 82,112.68, 113,315.60 and 44,386.92 is: 61,254.00
Step by Step Solution
- Step 1: Write the proportion equation
82,112.68 : 113,315.60 = 44,386.92 : x - Step 2: Convert to fraction form
82,112.68/113,315.60 = 44,386.92/x - Step 3: Cross multiply
82,112.68x = 113,315.60 × 44,386.92 - Step 4: Simplify right side
82,112.68x = 5,029,730,471.95 - Step 5: Solve for x
x = 5,029,730,471.95/82,112.68 - Step 6: Final answer
x = 61,254.00
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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.