Finding the Fourth Proportional to 83,364.24, 115,059.04 and 47,550.80
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Solution
The fourth proportional to 83,364.24, 115,059.04 and 47,550.80 is: 65,629.45
Step by Step Solution
- Step 1: Write the proportion equation
83,364.24 : 115,059.04 = 47,550.80 : x - Step 2: Convert to fraction form
83,364.24/115,059.04 = 47,550.80/x - Step 3: Cross multiply
83,364.24x = 115,059.04 × 47,550.80 - Step 4: Simplify right side
83,364.24x = 5,471,149,399.23 - Step 5: Solve for x
x = 5,471,149,399.23/83,364.24 - Step 6: Final answer
x = 65,629.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.