Finding the Fourth Proportional to 81,837.84, 122,763.90 and 22,674.03
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Solution
The fourth proportional to 81,837.84, 122,763.90 and 22,674.03 is: 34,013.02
Step by Step Solution
- Step 1: Write the proportion equation
81,837.84 : 122,763.90 = 22,674.03 : x - Step 2: Convert to fraction form
81,837.84/122,763.90 = 22,674.03/x - Step 3: Cross multiply
81,837.84x = 122,763.90 × 22,674.03 - Step 4: Simplify right side
81,837.84x = 2,783,551,976.18 - Step 5: Solve for x
x = 2,783,551,976.18/81,837.84 - Step 6: Final answer
x = 34,013.02
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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.