Finding the Fourth Proportional to 83,996.84, 125,954.20 and 36,651.94
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Solution
The fourth proportional to 83,996.84, 125,954.20 and 36,651.94 is: 54,959.99
Step by Step Solution
- Step 1: Write the proportion equation
83,996.84 : 125,954.20 = 36,651.94 : x - Step 2: Convert to fraction form
83,996.84/125,954.20 = 36,651.94/x - Step 3: Cross multiply
83,996.84x = 125,954.20 × 36,651.94 - Step 4: Simplify right side
83,996.84x = 4,616,465,781.15 - Step 5: Solve for x
x = 4,616,465,781.15/83,996.84 - Step 6: Final answer
x = 54,959.99
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1.5x scale
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.