Finding the Fourth Proportional to 125,916.93, 173,765.05 and 69,328.31
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Solution
The fourth proportional to 125,916.93, 173,765.05 and 69,328.31 is: 95,672.89
Step by Step Solution
- Step 1: Write the proportion equation
125,916.93 : 173,765.05 = 69,328.31 : x - Step 2: Convert to fraction form
125,916.93/173,765.05 = 69,328.31/x - Step 3: Cross multiply
125,916.93x = 173,765.05 × 69,328.31 - Step 4: Simplify right side
125,916.93x = 12,046,836,211.42 - Step 5: Solve for x
x = 12,046,836,211.42/125,916.93 - Step 6: Final answer
x = 95,672.89
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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.