Finding the Fourth Proportional to 76,704.54, 115,063.47 and 23,408.52
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Solution
The fourth proportional to 76,704.54, 115,063.47 and 23,408.52 is: 35,114.82
Step by Step Solution
- Step 1: Write the proportion equation
76,704.54 : 115,063.47 = 23,408.52 : x - Step 2: Convert to fraction form
76,704.54/115,063.47 = 23,408.52/x - Step 3: Cross multiply
76,704.54x = 115,063.47 × 23,408.52 - Step 4: Simplify right side
76,704.54x = 2,693,466,148.25 - Step 5: Solve for x
x = 2,693,466,148.25/76,704.54 - Step 6: Final answer
x = 35,114.82
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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.