Finding the Fourth Proportional to 82,368.83, 113,668.98 and 44,643.08
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Solution
The fourth proportional to 82,368.83, 113,668.98 and 44,643.08 is: 61,607.45
Step by Step Solution
- Step 1: Write the proportion equation
82,368.83 : 113,668.98 = 44,643.08 : x - Step 2: Convert to fraction form
82,368.83/113,668.98 = 44,643.08/x - Step 3: Cross multiply
82,368.83x = 113,668.98 × 44,643.08 - Step 4: Simplify right side
82,368.83x = 5,074,533,367.66 - Step 5: Solve for x
x = 5,074,533,367.66/82,368.83 - Step 6: Final answer
x = 61,607.45
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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.