Finding the Fourth Proportional to 88,118.27, 121,602.81 and 47,831.71
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Solution
The fourth proportional to 88,118.27, 121,602.81 and 47,831.71 is: 66,007.53
Step by Step Solution
- Step 1: Write the proportion equation
88,118.27 : 121,602.81 = 47,831.71 : x - Step 2: Convert to fraction form
88,118.27/121,602.81 = 47,831.71/x - Step 3: Cross multiply
88,118.27x = 121,602.81 × 47,831.71 - Step 4: Simplify right side
88,118.27x = 5,816,469,735.09 - Step 5: Solve for x
x = 5,816,469,735.09/88,118.27 - Step 6: Final answer
x = 66,007.53
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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.