Finding the Fourth Proportional to 86,204.06, 129,137.97 and 48,650.54
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Solution
The fourth proportional to 86,204.06, 129,137.97 and 48,650.54 is: 72,880.93
Step by Step Solution
- Step 1: Write the proportion equation
86,204.06 : 129,137.97 = 48,650.54 : x - Step 2: Convert to fraction form
86,204.06/129,137.97 = 48,650.54/x - Step 3: Cross multiply
86,204.06x = 129,137.97 × 48,650.54 - Step 4: Simplify right side
86,204.06x = 6,282,632,101.32 - Step 5: Solve for x
x = 6,282,632,101.32/86,204.06 - Step 6: Final answer
x = 72,880.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.