Finding the Fourth Proportional to 86,449.08, 119,300.40 and 48,211.09
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Solution
The fourth proportional to 86,449.08, 119,300.40 and 48,211.09 is: 66,531.68
Step by Step Solution
- Step 1: Write the proportion equation
86,449.08 : 119,300.40 = 48,211.09 : x - Step 2: Convert to fraction form
86,449.08/119,300.40 = 48,211.09/x - Step 3: Cross multiply
86,449.08x = 119,300.40 × 48,211.09 - Step 4: Simplify right side
86,449.08x = 5,751,602,321.44 - Step 5: Solve for x
x = 5,751,602,321.44/86,449.08 - Step 6: Final answer
x = 66,531.68
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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.