Finding the Fourth Proportional to 75,470.84, 104,149.48 and 41,481.60
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Solution
The fourth proportional to 75,470.84, 104,149.48 and 41,481.60 is: 57,244.45
Step by Step Solution
- Step 1: Write the proportion equation
75,470.84 : 104,149.48 = 41,481.60 : x - Step 2: Convert to fraction form
75,470.84/104,149.48 = 41,481.60/x - Step 3: Cross multiply
75,470.84x = 104,149.48 × 41,481.60 - Step 4: Simplify right side
75,470.84x = 4,320,287,069.57 - Step 5: Solve for x
x = 4,320,287,069.57/75,470.84 - Step 6: Final answer
x = 57,244.45
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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.