Finding the Fourth Proportional to 82,455.66, 113,789.10 and 44,730.18
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Solution
The fourth proportional to 82,455.66, 113,789.10 and 44,730.18 is: 61,727.81
Step by Step Solution
- Step 1: Write the proportion equation
82,455.66 : 113,789.10 = 44,730.18 : x - Step 2: Convert to fraction form
82,455.66/113,789.10 = 44,730.18/x - Step 3: Cross multiply
82,455.66x = 113,789.10 × 44,730.18 - Step 4: Simplify right side
82,455.66x = 5,089,806,925.04 - Step 5: Solve for x
x = 5,089,806,925.04/82,455.66 - Step 6: Final answer
x = 61,727.81
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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.