Finding the Fourth Proportional to 75,672.36, 113,336.01 and 36,257.49
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Solution
The fourth proportional to 75,672.36, 113,336.01 and 36,257.49 is: 54,303.57
Step by Step Solution
- Step 1: Write the proportion equation
75,672.36 : 113,336.01 = 36,257.49 : x - Step 2: Convert to fraction form
75,672.36/113,336.01 = 36,257.49/x - Step 3: Cross multiply
75,672.36x = 113,336.01 × 36,257.49 - Step 4: Simplify right side
75,672.36x = 4,109,279,249.21 - Step 5: Solve for x
x = 4,109,279,249.21/75,672.36 - Step 6: Final answer
x = 54,303.57
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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.