Finding the Fourth Proportional to 81,737.14, 122,607.25 and 22,574.38
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Solution
The fourth proportional to 81,737.14, 122,607.25 and 22,574.38 is: 33,861.99
Step by Step Solution
- Step 1: Write the proportion equation
81,737.14 : 122,607.25 = 22,574.38 : x - Step 2: Convert to fraction form
81,737.14/122,607.25 = 22,574.38/x - Step 3: Cross multiply
81,737.14x = 122,607.25 × 22,574.38 - Step 4: Simplify right side
81,737.14x = 2,767,782,289.30 - Step 5: Solve for x
x = 2,767,782,289.30/81,737.14 - Step 6: Final answer
x = 33,861.99
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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.