Finding the Fourth Proportional to 70,914.36, 106,382.52 and 24,163.68
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Solution
The fourth proportional to 70,914.36, 106,382.52 and 24,163.68 is: 36,249.26
Step by Step Solution
- Step 1: Write the proportion equation
70,914.36 : 106,382.52 = 24,163.68 : x - Step 2: Convert to fraction form
70,914.36/106,382.52 = 24,163.68/x - Step 3: Cross multiply
70,914.36x = 106,382.52 × 24,163.68 - Step 4: Simplify right side
70,914.36x = 2,570,593,170.87 - Step 5: Solve for x
x = 2,570,593,170.87/70,914.36 - Step 6: Final answer
x = 36,249.26
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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.