Finding the Fourth Proportional to 82,889.26, 114,387.19 and 45,163.51
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Solution
The fourth proportional to 82,889.26, 114,387.19 and 45,163.51 is: 62,325.65
Step by Step Solution
- Step 1: Write the proportion equation
82,889.26 : 114,387.19 = 45,163.51 : x - Step 2: Convert to fraction form
82,889.26/114,387.19 = 45,163.51/x - Step 3: Cross multiply
82,889.26x = 114,387.19 × 45,163.51 - Step 4: Simplify right side
82,889.26x = 5,166,127,083.13 - Step 5: Solve for x
x = 5,166,127,083.13/82,889.26 - Step 6: Final answer
x = 62,325.65
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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.