Finding the Fourth Proportional to 83,749.70, 125,599.56 and 27,579.44
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Solution
The fourth proportional to 83,749.70, 125,599.56 and 27,579.44 is: 41,360.93
Step by Step Solution
- Step 1: Write the proportion equation
83,749.70 : 125,599.56 = 27,579.44 : x - Step 2: Convert to fraction form
83,749.70/125,599.56 = 27,579.44/x - Step 3: Cross multiply
83,749.70x = 125,599.56 × 27,579.44 - Step 4: Simplify right side
83,749.70x = 3,463,965,529.05 - Step 5: Solve for x
x = 3,463,965,529.05/83,749.70 - Step 6: Final answer
x = 41,360.93
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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.