Finding the Fourth Proportional to 94,415.10, 141,331.05 and 54,854.70
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Solution
The fourth proportional to 94,415.10, 141,331.05 and 54,854.70 is: 82,112.63
Step by Step Solution
- Step 1: Write the proportion equation
94,415.10 : 141,331.05 = 54,854.70 : x - Step 2: Convert to fraction form
94,415.10/141,331.05 = 54,854.70/x - Step 3: Cross multiply
94,415.10x = 141,331.05 × 54,854.70 - Step 4: Simplify right side
94,415.10x = 7,752,672,348.44 - Step 5: Solve for x
x = 7,752,672,348.44/94,415.10 - Step 6: Final answer
x = 82,112.63
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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.