Finding the Fourth Proportional to 82,760.24, 123,920 and 56,516.24
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Solution
The fourth proportional to 82,760.24, 123,920 and 56,516.24 is: 84,623.88
Step by Step Solution
- Step 1: Write the proportion equation
82,760.24 : 123,920 = 56,516.24 : x - Step 2: Convert to fraction form
82,760.24/123,920 = 56,516.24/x - Step 3: Cross multiply
82,760.24x = 123,920 × 56,516.24 - Step 4: Simplify right side
82,760.24x = 7,003,492,460.80 - Step 5: Solve for x
x = 7,003,492,460.80/82,760.24 - Step 6: Final answer
x = 84,623.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.