Finding the Fourth Proportional to 81,873.59, 122,810.37 and 22,709.26
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Solution
The fourth proportional to 81,873.59, 122,810.37 and 22,709.26 is: 34,063.88
Step by Step Solution
- Step 1: Write the proportion equation
81,873.59 : 122,810.37 = 22,709.26 : x - Step 2: Convert to fraction form
81,873.59/122,810.37 = 22,709.26/x - Step 3: Cross multiply
81,873.59x = 122,810.37 × 22,709.26 - Step 4: Simplify right side
81,873.59x = 2,788,932,200.87 - Step 5: Solve for x
x = 2,788,932,200.87/81,873.59 - Step 6: Final answer
x = 34,063.88
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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.