Finding the Fourth Proportional to 86,764.09, 119,733.59 and 48,523.20
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Solution
The fourth proportional to 86,764.09, 119,733.59 and 48,523.20 is: 66,961.54
Step by Step Solution
- Step 1: Write the proportion equation
86,764.09 : 119,733.59 = 48,523.20 : x - Step 2: Convert to fraction form
86,764.09/119,733.59 = 48,523.20/x - Step 3: Cross multiply
86,764.09x = 119,733.59 × 48,523.20 - Step 4: Simplify right side
86,764.09x = 5,809,857,055.60 - Step 5: Solve for x
x = 5,809,857,055.60/86,764.09 - Step 6: Final answer
x = 66,961.54
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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.