Finding the Fourth Proportional to 125,773.91, 173,625.47 and 84,450.09
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Solution
The fourth proportional to 125,773.91, 173,625.47 and 84,450.09 is: 116,579.72
Step by Step Solution
- Step 1: Write the proportion equation
125,773.91 : 173,625.47 = 84,450.09 : x - Step 2: Convert to fraction form
125,773.91/173,625.47 = 84,450.09/x - Step 3: Cross multiply
125,773.91x = 173,625.47 × 84,450.09 - Step 4: Simplify right side
125,773.91x = 14,662,687,588.36 - Step 5: Solve for x
x = 14,662,687,588.36/125,773.91 - Step 6: Final answer
x = 116,579.72
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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.