Finding the Fourth Proportional to 76,035.40, 114,042.30 and 26,117.80
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Solution
The fourth proportional to 76,035.40, 114,042.30 and 26,117.80 is: 39,172.99
Step by Step Solution
- Step 1: Write the proportion equation
76,035.40 : 114,042.30 = 26,117.80 : x - Step 2: Convert to fraction form
76,035.40/114,042.30 = 26,117.80/x - Step 3: Cross multiply
76,035.40x = 114,042.30 × 26,117.80 - Step 4: Simplify right side
76,035.40x = 2,978,533,982.94 - Step 5: Solve for x
x = 2,978,533,982.94/76,035.40 - Step 6: Final answer
x = 39,172.99
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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.