Finding the Fourth Proportional to 75,246.45, 112,879.08 and 27,853.54
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Solution
The fourth proportional to 75,246.45, 112,879.08 and 27,853.54 is: 41,783.79
Step by Step Solution
- Step 1: Write the proportion equation
75,246.45 : 112,879.08 = 27,853.54 : x - Step 2: Convert to fraction form
75,246.45/112,879.08 = 27,853.54/x - Step 3: Cross multiply
75,246.45x = 112,879.08 × 27,853.54 - Step 4: Simplify right side
75,246.45x = 3,144,081,969.94 - Step 5: Solve for x
x = 3,144,081,969.94/75,246.45 - Step 6: Final answer
x = 41,783.79
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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.