Finding the Fourth Proportional to 77,182.11, 115,771.91 and 24,590.88
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Solution
The fourth proportional to 77,182.11, 115,771.91 and 24,590.88 is: 36,885.92
Step by Step Solution
- Step 1: Write the proportion equation
77,182.11 : 115,771.91 = 24,590.88 : x - Step 2: Convert to fraction form
77,182.11/115,771.91 = 24,590.88/x - Step 3: Cross multiply
77,182.11x = 115,771.91 × 24,590.88 - Step 4: Simplify right side
77,182.11x = 2,846,933,023.23 - Step 5: Solve for x
x = 2,846,933,023.23/77,182.11 - Step 6: Final answer
x = 36,885.92
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1.5x scale
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.