Finding the Fourth Proportional to 71,951.74, 107,936.68 and 24,575.80
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Solution
The fourth proportional to 71,951.74, 107,936.68 and 24,575.80 is: 36,866.80
Step by Step Solution
- Step 1: Write the proportion equation
71,951.74 : 107,936.68 = 24,575.80 : x - Step 2: Convert to fraction form
71,951.74/107,936.68 = 24,575.80/x - Step 3: Cross multiply
71,951.74x = 107,936.68 × 24,575.80 - Step 4: Simplify right side
71,951.74x = 2,652,630,260.34 - Step 5: Solve for x
x = 2,652,630,260.34/71,951.74 - Step 6: Final answer
x = 36,866.80
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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.