Finding the Fourth Proportional to 125,680.24, 173,442.05 and 68,323.42
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Solution
The fourth proportional to 125,680.24, 173,442.05 and 68,323.42 is: 94,288.12
Step by Step Solution
- Step 1: Write the proportion equation
125,680.24 : 173,442.05 = 68,323.42 : x - Step 2: Convert to fraction form
125,680.24/173,442.05 = 68,323.42/x - Step 3: Cross multiply
125,680.24x = 173,442.05 × 68,323.42 - Step 4: Simplify right side
125,680.24x = 11,850,154,027.81 - Step 5: Solve for x
x = 11,850,154,027.81/125,680.24 - Step 6: Final answer
x = 94,288.12
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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.