Finding the Fourth Proportional to 84,714.80, 127,122.60 and 32,129.60
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Solution
The fourth proportional to 84,714.80, 127,122.60 and 32,129.60 is: 48,213.52
Step by Step Solution
- Step 1: Write the proportion equation
84,714.80 : 127,122.60 = 32,129.60 : x - Step 2: Convert to fraction form
84,714.80/127,122.60 = 32,129.60/x - Step 3: Cross multiply
84,714.80x = 127,122.60 × 32,129.60 - Step 4: Simplify right side
84,714.80x = 4,084,398,288.96 - Step 5: Solve for x
x = 4,084,398,288.96/84,714.80 - Step 6: Final answer
x = 48,213.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.