Finding the Fourth Proportional to 125,899.92, 173,735.64 and 69,310.08
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Solution
The fourth proportional to 125,899.92, 173,735.64 and 69,310.08 is: 95,644.47
Step by Step Solution
- Step 1: Write the proportion equation
125,899.92 : 173,735.64 = 69,310.08 : x - Step 2: Convert to fraction form
125,899.92/173,735.64 = 69,310.08/x - Step 3: Cross multiply
125,899.92x = 173,735.64 × 69,310.08 - Step 4: Simplify right side
125,899.92x = 12,041,631,107.25 - Step 5: Solve for x
x = 12,041,631,107.25/125,899.92 - Step 6: Final answer
x = 95,644.47
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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.