Finding the Fourth Proportional to 76,903.62, 115,363.67 and 32,534.88
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Solution
The fourth proportional to 76,903.62, 115,363.67 and 32,534.88 is: 48,805.80
Step by Step Solution
- Step 1: Write the proportion equation
76,903.62 : 115,363.67 = 32,534.88 : x - Step 2: Convert to fraction form
76,903.62/115,363.67 = 32,534.88/x - Step 3: Cross multiply
76,903.62x = 115,363.67 × 32,534.88 - Step 4: Simplify right side
76,903.62x = 3,753,342,997.14 - Step 5: Solve for x
x = 3,753,342,997.14/76,903.62 - Step 6: Final answer
x = 48,805.80
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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.