Finding the Fourth Proportional to 75,623.10, 113,434.65 and 26,375.10
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Solution
The fourth proportional to 75,623.10, 113,434.65 and 26,375.10 is: 39,562.65
Step by Step Solution
- Step 1: Write the proportion equation
75,623.10 : 113,434.65 = 26,375.10 : x - Step 2: Convert to fraction form
75,623.10/113,434.65 = 26,375.10/x - Step 3: Cross multiply
75,623.10x = 113,434.65 × 26,375.10 - Step 4: Simplify right side
75,623.10x = 2,991,850,237.22 - Step 5: Solve for x
x = 2,991,850,237.22/75,623.10 - Step 6: Final answer
x = 39,562.65
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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.