Finding the Fourth Proportional to 75,900.80, 113,840.48 and 47,734.96
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Solution
The fourth proportional to 75,900.80, 113,840.48 and 47,734.96 is: 71,595.70
Step by Step Solution
- Step 1: Write the proportion equation
75,900.80 : 113,840.48 = 47,734.96 : x - Step 2: Convert to fraction form
75,900.80/113,840.48 = 47,734.96/x - Step 3: Cross multiply
75,900.80x = 113,840.48 × 47,734.96 - Step 4: Simplify right side
75,900.80x = 5,434,170,759.18 - Step 5: Solve for x
x = 5,434,170,759.18/75,900.80 - Step 6: Final answer
x = 71,595.70
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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.