Finding the Fourth Proportional to 75,555.80, 113,204.10 and 36,027.80
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Solution
The fourth proportional to 75,555.80, 113,204.10 and 36,027.80 is: 53,979.90
Step by Step Solution
- Step 1: Write the proportion equation
75,555.80 : 113,204.10 = 36,027.80 : x - Step 2: Convert to fraction form
75,555.80/113,204.10 = 36,027.80/x - Step 3: Cross multiply
75,555.80x = 113,204.10 × 36,027.80 - Step 4: Simplify right side
75,555.80x = 4,078,494,673.98 - Step 5: Solve for x
x = 4,078,494,673.98/75,555.80 - Step 6: Final answer
x = 53,979.90
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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.