Finding the Fourth Proportional to 87,888.29, 131,852.02 and 48,425.09
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Solution
The fourth proportional to 87,888.29, 131,852.02 and 48,425.09 is: 72,648.43
Step by Step Solution
- Step 1: Write the proportion equation
87,888.29 : 131,852.02 = 48,425.09 : x - Step 2: Convert to fraction form
87,888.29/131,852.02 = 48,425.09/x - Step 3: Cross multiply
87,888.29x = 131,852.02 × 48,425.09 - Step 4: Simplify right side
87,888.29x = 6,384,945,935.18 - Step 5: Solve for x
x = 6,384,945,935.18/87,888.29 - Step 6: Final answer
x = 72,648.43
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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.