Finding the Fourth Proportional to 84,739.44, 127,110.44 and 40,370.80
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Solution
The fourth proportional to 84,739.44, 127,110.44 and 40,370.80 is: 60,556.81
Step by Step Solution
- Step 1: Write the proportion equation
84,739.44 : 127,110.44 = 40,370.80 : x - Step 2: Convert to fraction form
84,739.44/127,110.44 = 40,370.80/x - Step 3: Cross multiply
84,739.44x = 127,110.44 × 40,370.80 - Step 4: Simplify right side
84,739.44x = 5,131,550,151.15 - Step 5: Solve for x
x = 5,131,550,151.15/84,739.44 - Step 6: Final answer
x = 60,556.81
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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.