Finding the Fourth Proportional to 82,810.41, 114,240.16 and 48,795.68
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Solution
The fourth proportional to 82,810.41, 114,240.16 and 48,795.68 is: 67,315.53
Step by Step Solution
- Step 1: Write the proportion equation
82,810.41 : 114,240.16 = 48,795.68 : x - Step 2: Convert to fraction form
82,810.41/114,240.16 = 48,795.68/x - Step 3: Cross multiply
82,810.41x = 114,240.16 × 48,795.68 - Step 4: Simplify right side
82,810.41x = 5,574,426,290.51 - Step 5: Solve for x
x = 5,574,426,290.51/82,810.41 - Step 6: Final answer
x = 67,315.53
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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.