Finding the Fourth Proportional to 82,959.36, 114,489.36 and 47,149.44
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Solution
The fourth proportional to 82,959.36, 114,489.36 and 47,149.44 is: 65,069.32
Step by Step Solution
- Step 1: Write the proportion equation
82,959.36 : 114,489.36 = 47,149.44 : x - Step 2: Convert to fraction form
82,959.36/114,489.36 = 47,149.44/x - Step 3: Cross multiply
82,959.36x = 114,489.36 × 47,149.44 - Step 4: Simplify right side
82,959.36x = 5,398,109,209.96 - Step 5: Solve for x
x = 5,398,109,209.96/82,959.36 - Step 6: Final answer
x = 65,069.32
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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.