Finding the Fourth Proportional to 81,671.35, 122,343.00 and 37,236.98
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Solution
The fourth proportional to 81,671.35, 122,343.00 and 37,236.98 is: 55,780.68
Step by Step Solution
- Step 1: Write the proportion equation
81,671.35 : 122,343.00 = 37,236.98 : x - Step 2: Convert to fraction form
81,671.35/122,343.00 = 37,236.98/x - Step 3: Cross multiply
81,671.35x = 122,343.00 × 37,236.98 - Step 4: Simplify right side
81,671.35x = 4,555,683,352.10 - Step 5: Solve for x
x = 4,555,683,352.10/81,671.35 - Step 6: Final answer
x = 55,780.68
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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.