Finding the Fourth Proportional to 84,040.92, 125,880.48 and 39,601.08
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Solution
The fourth proportional to 84,040.92, 125,880.48 and 39,601.08 is: 59,316.38
Step by Step Solution
- Step 1: Write the proportion equation
84,040.92 : 125,880.48 = 39,601.08 : x - Step 2: Convert to fraction form
84,040.92/125,880.48 = 39,601.08/x - Step 3: Cross multiply
84,040.92x = 125,880.48 × 39,601.08 - Step 4: Simplify right side
84,040.92x = 4,985,002,958.92 - Step 5: Solve for x
x = 4,985,002,958.92/84,040.92 - Step 6: Final answer
x = 59,316.38
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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.