Finding the Fourth Proportional to 86,053.44, 118,753.28 and 48,327.68
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Solution
The fourth proportional to 86,053.44, 118,753.28 and 48,327.68 is: 66,691.94
Step by Step Solution
- Step 1: Write the proportion equation
86,053.44 : 118,753.28 = 48,327.68 : x - Step 2: Convert to fraction form
86,053.44/118,753.28 = 48,327.68/x - Step 3: Cross multiply
86,053.44x = 118,753.28 × 48,327.68 - Step 4: Simplify right side
86,053.44x = 5,739,070,514.79 - Step 5: Solve for x
x = 5,739,070,514.79/86,053.44 - Step 6: Final answer
x = 66,691.94
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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.