Finding the Fourth Proportional to 77,554.91, 116,332.81 and 27,636.92
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Solution
The fourth proportional to 77,554.91, 116,332.81 and 27,636.92 is: 41,455.54
Step by Step Solution
- Step 1: Write the proportion equation
77,554.91 : 116,332.81 = 27,636.92 : x - Step 2: Convert to fraction form
77,554.91/116,332.81 = 27,636.92/x - Step 3: Cross multiply
77,554.91x = 116,332.81 × 27,636.92 - Step 4: Simplify right side
77,554.91x = 3,215,080,785.08 - Step 5: Solve for x
x = 3,215,080,785.08/77,554.91 - Step 6: Final answer
x = 41,455.54
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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.