Finding the Fourth Proportional to 125,671.68, 173,427.48 and 69,086.70
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Solution
The fourth proportional to 125,671.68, 173,427.48 and 69,086.70 is: 95,339.95
Step by Step Solution
- Step 1: Write the proportion equation
125,671.68 : 173,427.48 = 69,086.70 : x - Step 2: Convert to fraction form
125,671.68/173,427.48 = 69,086.70/x - Step 3: Cross multiply
125,671.68x = 173,427.48 × 69,086.70 - Step 4: Simplify right side
125,671.68x = 11,981,532,282.52 - Step 5: Solve for x
x = 11,981,532,282.52/125,671.68 - Step 6: Final answer
x = 95,339.95
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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.