Finding the Fourth Proportional to 91,564.75, 126,348.69 and 53,332.68
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Solution
The fourth proportional to 91,564.75, 126,348.69 and 53,332.68 is: 73,592.89
Step by Step Solution
- Step 1: Write the proportion equation
91,564.75 : 126,348.69 = 53,332.68 : x - Step 2: Convert to fraction form
91,564.75/126,348.69 = 53,332.68/x - Step 3: Cross multiply
91,564.75x = 126,348.69 × 53,332.68 - Step 4: Simplify right side
91,564.75x = 6,738,514,252.19 - Step 5: Solve for x
x = 6,738,514,252.19/91,564.75 - Step 6: Final answer
x = 73,592.89
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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.