Finding the Fourth Proportional to 71,197.64, 106,601.91 and 51,227.09
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Solution
The fourth proportional to 71,197.64, 106,601.91 and 51,227.09 is: 76,700.65
Step by Step Solution
- Step 1: Write the proportion equation
71,197.64 : 106,601.91 = 51,227.09 : x - Step 2: Convert to fraction form
71,197.64/106,601.91 = 51,227.09/x - Step 3: Cross multiply
71,197.64x = 106,601.91 × 51,227.09 - Step 4: Simplify right side
71,197.64x = 5,460,905,104.73 - Step 5: Solve for x
x = 5,460,905,104.73/71,197.64 - Step 6: Final answer
x = 76,700.65
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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.