Finding the Fourth Proportional to 71,119.08, 106,745.58 and 36,083.88
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Solution
The fourth proportional to 71,119.08, 106,745.58 and 36,083.88 is: 54,159.79
Step by Step Solution
- Step 1: Write the proportion equation
71,119.08 : 106,745.58 = 36,083.88 : x - Step 2: Convert to fraction form
71,119.08/106,745.58 = 36,083.88/x - Step 3: Cross multiply
71,119.08x = 106,745.58 × 36,083.88 - Step 4: Simplify right side
71,119.08x = 3,851,794,699.25 - Step 5: Solve for x
x = 3,851,794,699.25/71,119.08 - Step 6: Final answer
x = 54,159.79
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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.