Finding the Fourth Proportional to 93,859.44, 140,453.84 and 81,524.80
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Solution
The fourth proportional to 93,859.44, 140,453.84 and 81,524.80 is: 121,995.95
Step by Step Solution
- Step 1: Write the proportion equation
93,859.44 : 140,453.84 = 81,524.80 : x - Step 2: Convert to fraction form
93,859.44/140,453.84 = 81,524.80/x - Step 3: Cross multiply
93,859.44x = 140,453.84 × 81,524.80 - Step 4: Simplify right side
93,859.44x = 11,450,471,215.23 - Step 5: Solve for x
x = 11,450,471,215.23/93,859.44 - Step 6: Final answer
x = 121,995.95
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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.