Finding the Fourth Proportional to 81,373.05, 122,077.01 and 25,211.92
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Solution
The fourth proportional to 81,373.05, 122,077.01 and 25,211.92 is: 37,823.28
Step by Step Solution
- Step 1: Write the proportion equation
81,373.05 : 122,077.01 = 25,211.92 : x - Step 2: Convert to fraction form
81,373.05/122,077.01 = 25,211.92/x - Step 3: Cross multiply
81,373.05x = 122,077.01 × 25,211.92 - Step 4: Simplify right side
81,373.05x = 3,077,795,441.74 - Step 5: Solve for x
x = 3,077,795,441.74/81,373.05 - Step 6: Final answer
x = 37,823.28
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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.