Finding the Fourth Proportional to 89,933.74, 124,106.84 and 49,648.75
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Solution
The fourth proportional to 89,933.74, 124,106.84 and 49,648.75 is: 68,514.32
Step by Step Solution
- Step 1: Write the proportion equation
89,933.74 : 124,106.84 = 49,648.75 : x - Step 2: Convert to fraction form
89,933.74/124,106.84 = 49,648.75/x - Step 3: Cross multiply
89,933.74x = 124,106.84 × 49,648.75 - Step 4: Simplify right side
89,933.74x = 6,161,749,100.12 - Step 5: Solve for x
x = 6,161,749,100.12/89,933.74 - Step 6: Final answer
x = 68,514.32
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1.5x scale
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.