Finding the Fourth Proportional to 82,626.05, 113,981.97 and 53,962.48
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Solution
The fourth proportional to 82,626.05, 113,981.97 and 53,962.48 is: 74,440.81
Step by Step Solution
- Step 1: Write the proportion equation
82,626.05 : 113,981.97 = 53,962.48 : x - Step 2: Convert to fraction form
82,626.05/113,981.97 = 53,962.48/x - Step 3: Cross multiply
82,626.05x = 113,981.97 × 53,962.48 - Step 4: Simplify right side
82,626.05x = 6,150,749,918.96 - Step 5: Solve for x
x = 6,150,749,918.96/82,626.05 - Step 6: Final answer
x = 74,440.81
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1.5x scale
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.