Finding the Fourth Proportional to 86,364.92, 119,180.43 and 48,122.49
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Solution
The fourth proportional to 86,364.92, 119,180.43 and 48,122.49 is: 66,407.28
Step by Step Solution
- Step 1: Write the proportion equation
86,364.92 : 119,180.43 = 48,122.49 : x - Step 2: Convert to fraction form
86,364.92/119,180.43 = 48,122.49/x - Step 3: Cross multiply
86,364.92x = 119,180.43 × 48,122.49 - Step 4: Simplify right side
86,364.92x = 5,735,259,050.87 - Step 5: Solve for x
x = 5,735,259,050.87/86,364.92 - Step 6: Final answer
x = 66,407.28
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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.