Finding the Fourth Proportional to 125,579.24, 173,249.22 and 71,853.80
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Solution
The fourth proportional to 125,579.24, 173,249.22 and 71,853.80 is: 99,129.56
Step by Step Solution
- Step 1: Write the proportion equation
125,579.24 : 173,249.22 = 71,853.80 : x - Step 2: Convert to fraction form
125,579.24/173,249.22 = 71,853.80/x - Step 3: Cross multiply
125,579.24x = 173,249.22 × 71,853.80 - Step 4: Simplify right side
125,579.24x = 12,448,614,804.04 - Step 5: Solve for x
x = 12,448,614,804.04/125,579.24 - Step 6: Final answer
x = 99,129.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.