Finding the Fourth Proportional to 71,647.56, 107,452.91 and 29,539.62
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Solution
The fourth proportional to 71,647.56, 107,452.91 and 29,539.62 is: 44,301.83
Step by Step Solution
- Step 1: Write the proportion equation
71,647.56 : 107,452.91 = 29,539.62 : x - Step 2: Convert to fraction form
71,647.56/107,452.91 = 29,539.62/x - Step 3: Cross multiply
71,647.56x = 107,452.91 × 29,539.62 - Step 4: Simplify right side
71,647.56x = 3,174,118,203.14 - Step 5: Solve for x
x = 3,174,118,203.14/71,647.56 - Step 6: Final answer
x = 44,301.83
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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.