Finding the Fourth Proportional to 76,902.30, 115,352.76 and 24,311.80
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Solution
The fourth proportional to 76,902.30, 115,352.76 and 24,311.80 is: 36,467.48
Step by Step Solution
- Step 1: Write the proportion equation
76,902.30 : 115,352.76 = 24,311.80 : x - Step 2: Convert to fraction form
76,902.30/115,352.76 = 24,311.80/x - Step 3: Cross multiply
76,902.30x = 115,352.76 × 24,311.80 - Step 4: Simplify right side
76,902.30x = 2,804,433,230.57 - Step 5: Solve for x
x = 2,804,433,230.57/76,902.30 - Step 6: Final answer
x = 36,467.48
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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.