Finding the Fourth Proportional to 89,936.10, 124,110.20 and 49,649.00
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Solution
The fourth proportional to 89,936.10, 124,110.20 and 49,649.00 is: 68,514.72
Step by Step Solution
- Step 1: Write the proportion equation
89,936.10 : 124,110.20 = 49,649.00 : x - Step 2: Convert to fraction form
89,936.10/124,110.20 = 49,649.00/x - Step 3: Cross multiply
89,936.10x = 124,110.20 × 49,649.00 - Step 4: Simplify right side
89,936.10x = 6,161,947,381.85 - Step 5: Solve for x
x = 6,161,947,381.85/89,936.10 - Step 6: Final answer
x = 68,514.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.