Finding the Fourth Proportional to 75,470.14, 104,148.81 and 41,936.14
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Solution
The fourth proportional to 75,470.14, 104,148.81 and 41,936.14 is: 57,871.88
Step by Step Solution
- Step 1: Write the proportion equation
75,470.14 : 104,148.81 = 41,936.14 : x - Step 2: Convert to fraction form
75,470.14/104,148.81 = 41,936.14/x - Step 3: Cross multiply
75,470.14x = 104,148.81 × 41,936.14 - Step 4: Simplify right side
75,470.14x = 4,367,599,076.99 - Step 5: Solve for x
x = 4,367,599,076.99/75,470.14 - Step 6: Final answer
x = 57,871.88
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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.