Finding the Fourth Proportional to 81,937.20, 122,863.87 and 37,525.88
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Solution
The fourth proportional to 81,937.20, 122,863.87 and 37,525.88 is: 56,269.62
Step by Step Solution
- Step 1: Write the proportion equation
81,937.20 : 122,863.87 = 37,525.88 : x - Step 2: Convert to fraction form
81,937.20/122,863.87 = 37,525.88/x - Step 3: Cross multiply
81,937.20x = 122,863.87 × 37,525.88 - Step 4: Simplify right side
81,937.20x = 4,610,575,196.02 - Step 5: Solve for x
x = 4,610,575,196.02/81,937.20 - Step 6: Final answer
x = 56,269.62
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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.