Finding the Fourth Proportional to 79,831.48, 110,161.22 and 44,021.32
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Solution
The fourth proportional to 79,831.48, 110,161.22 and 44,021.32 is: 60,745.99
Step by Step Solution
- Step 1: Write the proportion equation
79,831.48 : 110,161.22 = 44,021.32 : x - Step 2: Convert to fraction form
79,831.48/110,161.22 = 44,021.32/x - Step 3: Cross multiply
79,831.48x = 110,161.22 × 44,021.32 - Step 4: Simplify right side
79,831.48x = 4,849,442,317.21 - Step 5: Solve for x
x = 4,849,442,317.21/79,831.48 - Step 6: Final answer
x = 60,745.99
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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.