Finding the Fourth Proportional to 125,831.05, 173,639.62 and 69,242.42
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Solution
The fourth proportional to 125,831.05, 173,639.62 and 69,242.42 is: 95,550.56
Step by Step Solution
- Step 1: Write the proportion equation
125,831.05 : 173,639.62 = 69,242.42 : x - Step 2: Convert to fraction form
125,831.05/173,639.62 = 69,242.42/x - Step 3: Cross multiply
125,831.05x = 173,639.62 × 69,242.42 - Step 4: Simplify right side
125,831.05x = 12,023,227,496.68 - Step 5: Solve for x
x = 12,023,227,496.68/125,831.05 - Step 6: Final answer
x = 95,550.56
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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.