Finding the Fourth Proportional to 76,704.49, 115,104.67 and 29,323.59
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Solution
The fourth proportional to 76,704.49, 115,104.67 and 29,323.59 is: 44,003.72
Step by Step Solution
- Step 1: Write the proportion equation
76,704.49 : 115,104.67 = 29,323.59 : x - Step 2: Convert to fraction form
76,704.49/115,104.67 = 29,323.59/x - Step 3: Cross multiply
76,704.49x = 115,104.67 × 29,323.59 - Step 4: Simplify right side
76,704.49x = 3,375,282,698.88 - Step 5: Solve for x
x = 3,375,282,698.88/76,704.49 - Step 6: Final answer
x = 44,003.72
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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.