Finding the Fourth Proportional to 82,829.68, 124,269.36 and 25,901.28
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Solution
The fourth proportional to 82,829.68, 124,269.36 and 25,901.28 is: 38,859.69
Step by Step Solution
- Step 1: Write the proportion equation
82,829.68 : 124,269.36 = 25,901.28 : x - Step 2: Convert to fraction form
82,829.68/124,269.36 = 25,901.28/x - Step 3: Cross multiply
82,829.68x = 124,269.36 × 25,901.28 - Step 4: Simplify right side
82,829.68x = 3,218,735,488.78 - Step 5: Solve for x
x = 3,218,735,488.78/82,829.68 - Step 6: Final answer
x = 38,859.69
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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.