Finding the Fourth Proportional to 86,554.44, 119,444.80 and 48,313.65
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Solution
The fourth proportional to 86,554.44, 119,444.80 and 48,313.65 is: 66,672.66
Step by Step Solution
- Step 1: Write the proportion equation
86,554.44 : 119,444.80 = 48,313.65 : x - Step 2: Convert to fraction form
86,554.44/119,444.80 = 48,313.65/x - Step 3: Cross multiply
86,554.44x = 119,444.80 × 48,313.65 - Step 4: Simplify right side
86,554.44x = 5,770,814,912.55 - Step 5: Solve for x
x = 5,770,814,912.55/86,554.44 - Step 6: Final answer
x = 66,672.66
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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.