Finding the Fourth Proportional to 94,138.60, 141,162.30 and 54,707.08
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Solution
The fourth proportional to 94,138.60, 141,162.30 and 54,707.08 is: 82,034.12
Step by Step Solution
- Step 1: Write the proportion equation
94,138.60 : 141,162.30 = 54,707.08 : x - Step 2: Convert to fraction form
94,138.60/141,162.30 = 54,707.08/x - Step 3: Cross multiply
94,138.60x = 141,162.30 × 54,707.08 - Step 4: Simplify right side
94,138.60x = 7,722,577,239.08 - Step 5: Solve for x
x = 7,722,577,239.08/94,138.60 - Step 6: Final answer
x = 82,034.12
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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.