Finding the Fourth Proportional to 76,197.20, 114,077.10 and 46,672.70
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Solution
The fourth proportional to 76,197.20, 114,077.10 and 46,672.70 is: 69,875.09
Step by Step Solution
- Step 1: Write the proportion equation
76,197.20 : 114,077.10 = 46,672.70 : x - Step 2: Convert to fraction form
76,197.20/114,077.10 = 46,672.70/x - Step 3: Cross multiply
76,197.20x = 114,077.10 × 46,672.70 - Step 4: Simplify right side
76,197.20x = 5,324,286,265.17 - Step 5: Solve for x
x = 5,324,286,265.17/76,197.20 - Step 6: Final answer
x = 69,875.09
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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.