Finding the Fourth Proportional to 76,905.62, 115,366.67 and 32,536.88
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Solution
The fourth proportional to 76,905.62, 115,366.67 and 32,536.88 is: 48,808.81
Step by Step Solution
- Step 1: Write the proportion equation
76,905.62 : 115,366.67 = 32,536.88 : x - Step 2: Convert to fraction form
76,905.62/115,366.67 = 32,536.88/x - Step 3: Cross multiply
76,905.62x = 115,366.67 × 32,536.88 - Step 4: Simplify right side
76,905.62x = 3,753,671,497.79 - Step 5: Solve for x
x = 3,753,671,497.79/76,905.62 - Step 6: Final answer
x = 48,808.81
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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.