Finding the Fourth Proportional to 94,161.20, 129,967.12 and 58,330.88
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Solution
The fourth proportional to 94,161.20, 129,967.12 and 58,330.88 is: 80,511.89
Step by Step Solution
- Step 1: Write the proportion equation
94,161.20 : 129,967.12 = 58,330.88 : x - Step 2: Convert to fraction form
94,161.20/129,967.12 = 58,330.88/x - Step 3: Cross multiply
94,161.20x = 129,967.12 × 58,330.88 - Step 4: Simplify right side
94,161.20x = 7,581,096,480.67 - Step 5: Solve for x
x = 7,581,096,480.67/94,161.20 - Step 6: Final answer
x = 80,511.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.