Finding the Fourth Proportional to 94,623.19, 141,931.68 and 38,446.63
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Solution
The fourth proportional to 94,623.19, 141,931.68 and 38,446.63 is: 57,668.68
Step by Step Solution
- Step 1: Write the proportion equation
94,623.19 : 141,931.68 = 38,446.63 : x - Step 2: Convert to fraction form
94,623.19/141,931.68 = 38,446.63/x - Step 3: Cross multiply
94,623.19x = 141,931.68 × 38,446.63 - Step 4: Simplify right side
94,623.19x = 5,456,794,786.24 - Step 5: Solve for x
x = 5,456,794,786.24/94,623.19 - Step 6: Final answer
x = 57,668.68
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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.