Finding the Fourth Proportional to 77,213.92, 115,846.80 and 24,630.88
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Solution
The fourth proportional to 77,213.92, 115,846.80 and 24,630.88 is: 36,954.59
Step by Step Solution
- Step 1: Write the proportion equation
77,213.92 : 115,846.80 = 24,630.88 : x - Step 2: Convert to fraction form
77,213.92/115,846.80 = 24,630.88/x - Step 3: Cross multiply
77,213.92x = 115,846.80 × 24,630.88 - Step 4: Simplify right side
77,213.92x = 2,853,408,629.18 - Step 5: Solve for x
x = 2,853,408,629.18/77,213.92 - Step 6: Final answer
x = 36,954.59
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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.