Finding the Fourth Proportional to 75,424.14, 113,134.44 and 37,974.12
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Solution
The fourth proportional to 75,424.14, 113,134.44 and 37,974.12 is: 56,960.29
Step by Step Solution
- Step 1: Write the proportion equation
75,424.14 : 113,134.44 = 37,974.12 : x - Step 2: Convert to fraction form
75,424.14/113,134.44 = 37,974.12/x - Step 3: Cross multiply
75,424.14x = 113,134.44 × 37,974.12 - Step 4: Simplify right side
75,424.14x = 4,296,180,800.69 - Step 5: Solve for x
x = 4,296,180,800.69/75,424.14 - Step 6: Final answer
x = 56,960.29
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1.5x scale
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.