Finding the Fourth Proportional to 94,042.96, 129,787.50 and 51,609.70
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Solution
The fourth proportional to 94,042.96, 129,787.50 and 51,609.70 is: 71,225.89
Step by Step Solution
- Step 1: Write the proportion equation
94,042.96 : 129,787.50 = 51,609.70 : x - Step 2: Convert to fraction form
94,042.96/129,787.50 = 51,609.70/x - Step 3: Cross multiply
94,042.96x = 129,787.50 × 51,609.70 - Step 4: Simplify right side
94,042.96x = 6,698,293,938.75 - Step 5: Solve for x
x = 6,698,293,938.75/94,042.96 - Step 6: Final answer
x = 71,225.89
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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.