Finding the Fourth Proportional to 125,974.49, 173,844.79 and 69,385.87
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Solution
The fourth proportional to 125,974.49, 173,844.79 and 69,385.87 is: 95,752.49
Step by Step Solution
- Step 1: Write the proportion equation
125,974.49 : 173,844.79 = 69,385.87 : x - Step 2: Convert to fraction form
125,974.49/173,844.79 = 69,385.87/x - Step 3: Cross multiply
125,974.49x = 173,844.79 × 69,385.87 - Step 4: Simplify right side
125,974.49x = 12,062,371,651.24 - Step 5: Solve for x
x = 12,062,371,651.24/125,974.49 - Step 6: Final answer
x = 95,752.49
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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.