Finding the Fourth Proportional to 94,738.92, 142,077.62 and 31,542.08
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Solution
The fourth proportional to 94,738.92, 142,077.62 and 31,542.08 is: 47,302.88
Step by Step Solution
- Step 1: Write the proportion equation
94,738.92 : 142,077.62 = 31,542.08 : x - Step 2: Convert to fraction form
94,738.92/142,077.62 = 31,542.08/x - Step 3: Cross multiply
94,738.92x = 142,077.62 × 31,542.08 - Step 4: Simplify right side
94,738.92x = 4,481,423,656.25 - Step 5: Solve for x
x = 4,481,423,656.25/94,738.92 - Step 6: Final answer
x = 47,302.88
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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.