Finding the Fourth Proportional to 71,753.14, 107,627.28 and 19,159.84
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Solution
The fourth proportional to 71,753.14, 107,627.28 and 19,159.84 is: 28,739.11
Step by Step Solution
- Step 1: Write the proportion equation
71,753.14 : 107,627.28 = 19,159.84 : x - Step 2: Convert to fraction form
71,753.14/107,627.28 = 19,159.84/x - Step 3: Cross multiply
71,753.14x = 107,627.28 × 19,159.84 - Step 4: Simplify right side
71,753.14x = 2,062,121,464.44 - Step 5: Solve for x
x = 2,062,121,464.44/71,753.14 - Step 6: Final answer
x = 28,739.11
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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.