Finding the Fourth Proportional to 91,257.49, 125,933.99 and 50,971.84
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Solution
The fourth proportional to 91,257.49, 125,933.99 and 50,971.84 is: 70,340.39
Step by Step Solution
- Step 1: Write the proportion equation
91,257.49 : 125,933.99 = 50,971.84 : x - Step 2: Convert to fraction form
91,257.49/125,933.99 = 50,971.84/x - Step 3: Cross multiply
91,257.49x = 125,933.99 × 50,971.84 - Step 4: Simplify right side
91,257.49x = 6,419,087,001.44 - Step 5: Solve for x
x = 6,419,087,001.44/91,257.49 - Step 6: Final answer
x = 70,340.39
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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.