Finding the Fourth Proportional to 107,831.66, 148,805.69 and 60,083.99
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Solution
The fourth proportional to 107,831.66, 148,805.69 and 60,083.99 is: 82,914.79
Step by Step Solution
- Step 1: Write the proportion equation
107,831.66 : 148,805.69 = 60,083.99 : x - Step 2: Convert to fraction form
107,831.66/148,805.69 = 60,083.99/x - Step 3: Cross multiply
107,831.66x = 148,805.69 × 60,083.99 - Step 4: Simplify right side
107,831.66x = 8,940,839,289.48 - Step 5: Solve for x
x = 8,940,839,289.48/107,831.66 - Step 6: Final answer
x = 82,914.79
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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.