Finding the Fourth Proportional to 82,753.08, 124,163.28 and 45,267.72
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Solution
The fourth proportional to 82,753.08, 124,163.28 and 45,267.72 is: 67,919.99
Step by Step Solution
- Step 1: Write the proportion equation
82,753.08 : 124,163.28 = 45,267.72 : x - Step 2: Convert to fraction form
82,753.08/124,163.28 = 45,267.72/x - Step 3: Cross multiply
82,753.08x = 124,163.28 × 45,267.72 - Step 4: Simplify right side
82,753.08x = 5,620,588,593.32 - Step 5: Solve for x
x = 5,620,588,593.32/82,753.08 - Step 6: Final answer
x = 67,919.99
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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.