Finding the Fourth Proportional to 83,739.20, 125,594.76 and 27,579.92
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Solution
The fourth proportional to 83,739.20, 125,594.76 and 27,579.92 is: 41,365.26
Step by Step Solution
- Step 1: Write the proportion equation
83,739.20 : 125,594.76 = 27,579.92 : x - Step 2: Convert to fraction form
83,739.20/125,594.76 = 27,579.92/x - Step 3: Cross multiply
83,739.20x = 125,594.76 × 27,579.92 - Step 4: Simplify right side
83,739.20x = 3,463,893,433.22 - Step 5: Solve for x
x = 3,463,893,433.22/83,739.20 - Step 6: Final answer
x = 41,365.26
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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.