Finding the Fourth Proportional to 75,418.40, 113,125.85 and 37,968.42
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Solution
The fourth proportional to 75,418.40, 113,125.85 and 37,968.42 is: 56,951.75
Step by Step Solution
- Step 1: Write the proportion equation
75,418.40 : 113,125.85 = 37,968.42 : x - Step 2: Convert to fraction form
75,418.40/113,125.85 = 37,968.42/x - Step 3: Cross multiply
75,418.40x = 113,125.85 × 37,968.42 - Step 4: Simplify right side
75,418.40x = 4,295,209,595.81 - Step 5: Solve for x
x = 4,295,209,595.81/75,418.40 - Step 6: Final answer
x = 56,951.75
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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.