Finding the Fourth Proportional to 75,859.41, 104,678.07 and 41,867.28
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Solution
The fourth proportional to 75,859.41, 104,678.07 and 41,867.28 is: 57,772.48
Step by Step Solution
- Step 1: Write the proportion equation
75,859.41 : 104,678.07 = 41,867.28 : x - Step 2: Convert to fraction form
75,859.41/104,678.07 = 41,867.28/x - Step 3: Cross multiply
75,859.41x = 104,678.07 × 41,867.28 - Step 4: Simplify right side
75,859.41x = 4,382,586,066.55 - Step 5: Solve for x
x = 4,382,586,066.55/75,859.41 - Step 6: Final answer
x = 57,772.48
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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.