Finding the Fourth Proportional to 82,915.02, 114,423.11 and 47,106.99
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Solution
The fourth proportional to 82,915.02, 114,423.11 and 47,106.99 is: 65,007.87
Step by Step Solution
- Step 1: Write the proportion equation
82,915.02 : 114,423.11 = 47,106.99 : x - Step 2: Convert to fraction form
82,915.02/114,423.11 = 47,106.99/x - Step 3: Cross multiply
82,915.02x = 114,423.11 × 47,106.99 - Step 4: Simplify right side
82,915.02x = 5,390,128,492.09 - Step 5: Solve for x
x = 5,390,128,492.09/82,915.02 - Step 6: Final answer
x = 65,007.87
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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.