Finding the Fourth Proportional to 76,831.52, 115,247.36 and 24,245.12
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Solution
The fourth proportional to 76,831.52, 115,247.36 and 24,245.12 is: 36,367.71
Step by Step Solution
- Step 1: Write the proportion equation
76,831.52 : 115,247.36 = 24,245.12 : x - Step 2: Convert to fraction form
76,831.52/115,247.36 = 24,245.12/x - Step 3: Cross multiply
76,831.52x = 115,247.36 × 24,245.12 - Step 4: Simplify right side
76,831.52x = 2,794,186,072.88 - Step 5: Solve for x
x = 2,794,186,072.88/76,831.52 - Step 6: Final answer
x = 36,367.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.