Finding the Fourth Proportional to 88,943.67, 133,430.09 and 36,339.03
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Solution
The fourth proportional to 88,943.67, 133,430.09 and 36,339.03 is: 54,514.50
Step by Step Solution
- Step 1: Write the proportion equation
88,943.67 : 133,430.09 = 36,339.03 : x - Step 2: Convert to fraction form
88,943.67/133,430.09 = 36,339.03/x - Step 3: Cross multiply
88,943.67x = 133,430.09 × 36,339.03 - Step 4: Simplify right side
88,943.67x = 4,848,719,861.72 - Step 5: Solve for x
x = 4,848,719,861.72/88,943.67 - Step 6: Final answer
x = 54,514.50
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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.