Finding the Fourth Proportional to 75,125.60, 112,524.65 and 37,620.26
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Solution
The fourth proportional to 75,125.60, 112,524.65 and 37,620.26 is: 56,348.39
Step by Step Solution
- Step 1: Write the proportion equation
75,125.60 : 112,524.65 = 37,620.26 : x - Step 2: Convert to fraction form
75,125.60/112,524.65 = 37,620.26/x - Step 3: Cross multiply
75,125.60x = 112,524.65 × 37,620.26 - Step 4: Simplify right side
75,125.60x = 4,233,206,401.31 - Step 5: Solve for x
x = 4,233,206,401.31/75,125.60 - Step 6: Final answer
x = 56,348.39
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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.