Finding the Fourth Proportional to 71,372.28, 107,058.12 and 18,064.44
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Solution
The fourth proportional to 71,372.28, 107,058.12 and 18,064.44 is: 27,096.58
Step by Step Solution
- Step 1: Write the proportion equation
71,372.28 : 107,058.12 = 18,064.44 : x - Step 2: Convert to fraction form
71,372.28/107,058.12 = 18,064.44/x - Step 3: Cross multiply
71,372.28x = 107,058.12 × 18,064.44 - Step 4: Simplify right side
71,372.28x = 1,933,944,985.25 - Step 5: Solve for x
x = 1,933,944,985.25/71,372.28 - Step 6: Final answer
x = 27,096.58
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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.