Finding the Fourth Proportional to 75,376.05, 113,031.27 and 37,912.74
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Solution
The fourth proportional to 75,376.05, 113,031.27 and 37,912.74 is: 56,852.61
Step by Step Solution
- Step 1: Write the proportion equation
75,376.05 : 113,031.27 = 37,912.74 : x - Step 2: Convert to fraction form
75,376.05/113,031.27 = 37,912.74/x - Step 3: Cross multiply
75,376.05x = 113,031.27 × 37,912.74 - Step 4: Simplify right side
75,376.05x = 4,285,325,151.38 - Step 5: Solve for x
x = 4,285,325,151.38/75,376.05 - Step 6: Final answer
x = 56,852.61
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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.