Finding the Fourth Proportional to 75,639.84, 104,382.99 and 41,648.46
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Solution
The fourth proportional to 75,639.84, 104,382.99 and 41,648.46 is: 57,474.88
Step by Step Solution
- Step 1: Write the proportion equation
75,639.84 : 104,382.99 = 41,648.46 : x - Step 2: Convert to fraction form
75,639.84/104,382.99 = 41,648.46/x - Step 3: Cross multiply
75,639.84x = 104,382.99 × 41,648.46 - Step 4: Simplify right side
75,639.84x = 4,347,390,783.70 - Step 5: Solve for x
x = 4,347,390,783.70/75,639.84 - Step 6: Final answer
x = 57,474.88
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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.