Finding the Fourth Proportional to 77,091.85, 115,656.18 and 24,501.43
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Solution
The fourth proportional to 77,091.85, 115,656.18 and 24,501.43 is: 36,757.99
Step by Step Solution
- Step 1: Write the proportion equation
77,091.85 : 115,656.18 = 24,501.43 : x - Step 2: Convert to fraction form
77,091.85/115,656.18 = 24,501.43/x - Step 3: Cross multiply
77,091.85x = 115,656.18 × 24,501.43 - Step 4: Simplify right side
77,091.85x = 2,833,741,798.34 - Step 5: Solve for x
x = 2,833,741,798.34/77,091.85 - Step 6: Final answer
x = 36,757.99
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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.