Finding the Fourth Proportional to 73,361.70, 110,042.55 and 47,117.70
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Solution
The fourth proportional to 73,361.70, 110,042.55 and 47,117.70 is: 70,676.55
Step by Step Solution
- Step 1: Write the proportion equation
73,361.70 : 110,042.55 = 47,117.70 : x - Step 2: Convert to fraction form
73,361.70/110,042.55 = 47,117.70/x - Step 3: Cross multiply
73,361.70x = 110,042.55 × 47,117.70 - Step 4: Simplify right side
73,361.70x = 5,184,951,858.14 - Step 5: Solve for x
x = 5,184,951,858.14/73,361.70 - Step 6: Final answer
x = 70,676.55
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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.