Finding the Fourth Proportional to 91,039.26, 125,562.96 and 59,218.32
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Solution
The fourth proportional to 91,039.26, 125,562.96 and 59,218.32 is: 81,674.96
Step by Step Solution
- Step 1: Write the proportion equation
91,039.26 : 125,562.96 = 59,218.32 : x - Step 2: Convert to fraction form
91,039.26/125,562.96 = 59,218.32/x - Step 3: Cross multiply
91,039.26x = 125,562.96 × 59,218.32 - Step 4: Simplify right side
91,039.26x = 7,435,627,545.43 - Step 5: Solve for x
x = 7,435,627,545.43/91,039.26 - Step 6: Final answer
x = 81,674.96
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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.