Finding the Fourth Proportional to 75,717.07, 104,488.16 and 41,728.70
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Solution
The fourth proportional to 75,717.07, 104,488.16 and 41,728.70 is: 57,584.84
Step by Step Solution
- Step 1: Write the proportion equation
75,717.07 : 104,488.16 = 41,728.70 : x - Step 2: Convert to fraction form
75,717.07/104,488.16 = 41,728.70/x - Step 3: Cross multiply
75,717.07x = 104,488.16 × 41,728.70 - Step 4: Simplify right side
75,717.07x = 4,360,155,134.77 - Step 5: Solve for x
x = 4,360,155,134.77/75,717.07 - Step 6: Final answer
x = 57,584.84
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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.