Finding the Fourth Proportional to 76,935.05, 115,391.04 and 24,337.70
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Solution
The fourth proportional to 76,935.05, 115,391.04 and 24,337.70 is: 36,502.90
Step by Step Solution
- Step 1: Write the proportion equation
76,935.05 : 115,391.04 = 24,337.70 : x - Step 2: Convert to fraction form
76,935.05/115,391.04 = 24,337.70/x - Step 3: Cross multiply
76,935.05x = 115,391.04 × 24,337.70 - Step 4: Simplify right side
76,935.05x = 2,808,352,514.21 - Step 5: Solve for x
x = 2,808,352,514.21/76,935.05 - Step 6: Final answer
x = 36,502.90
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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.