Finding the Fourth Proportional to 94,405.24, 141,574.13 and 31,213.70
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Solution
The fourth proportional to 94,405.24, 141,574.13 and 31,213.70 is: 46,809.40
Step by Step Solution
- Step 1: Write the proportion equation
94,405.24 : 141,574.13 = 31,213.70 : x - Step 2: Convert to fraction form
94,405.24/141,574.13 = 31,213.70/x - Step 3: Cross multiply
94,405.24x = 141,574.13 × 31,213.70 - Step 4: Simplify right side
94,405.24x = 4,419,052,421.58 - Step 5: Solve for x
x = 4,419,052,421.58/94,405.24 - Step 6: Final answer
x = 46,809.40
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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.