Finding the Fourth Proportional to 86,502.48, 119,375.52 and 48,261.75
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Solution
The fourth proportional to 86,502.48, 119,375.52 and 48,261.75 is: 66,602.39
Step by Step Solution
- Step 1: Write the proportion equation
86,502.48 : 119,375.52 = 48,261.75 : x - Step 2: Convert to fraction form
86,502.48/119,375.52 = 48,261.75/x - Step 3: Cross multiply
86,502.48x = 119,375.52 × 48,261.75 - Step 4: Simplify right side
86,502.48x = 5,761,271,502.36 - Step 5: Solve for x
x = 5,761,271,502.36/86,502.48 - Step 6: Final answer
x = 66,602.39
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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.