Finding the Fourth Proportional to 83,274.40, 124,910.52 and 20,093.99
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Solution
The fourth proportional to 83,274.40, 124,910.52 and 20,093.99 is: 30,140.72
Step by Step Solution
- Step 1: Write the proportion equation
83,274.40 : 124,910.52 = 20,093.99 : x - Step 2: Convert to fraction form
83,274.40/124,910.52 = 20,093.99/x - Step 3: Cross multiply
83,274.40x = 124,910.52 × 20,093.99 - Step 4: Simplify right side
83,274.40x = 2,509,950,739.77 - Step 5: Solve for x
x = 2,509,950,739.77/83,274.40 - Step 6: Final answer
x = 30,140.72
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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.