Finding the Fourth Proportional to 125,672.29, 173,423.37 and 69,083.26
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Solution
The fourth proportional to 125,672.29, 173,423.37 and 69,083.26 is: 95,332.49
Step by Step Solution
- Step 1: Write the proportion equation
125,672.29 : 173,423.37 = 69,083.26 : x - Step 2: Convert to fraction form
125,672.29/173,423.37 = 69,083.26/x - Step 3: Cross multiply
125,672.29x = 173,423.37 × 69,083.26 - Step 4: Simplify right side
125,672.29x = 11,980,651,759.79 - Step 5: Solve for x
x = 11,980,651,759.79/125,672.29 - Step 6: Final answer
x = 95,332.49
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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.