Finding the Fourth Proportional to 94,701.97, 130,711.08 and 54,439.08
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Solution
The fourth proportional to 94,701.97, 130,711.08 and 54,439.08 is: 75,138.79
Step by Step Solution
- Step 1: Write the proportion equation
94,701.97 : 130,711.08 = 54,439.08 : x - Step 2: Convert to fraction form
94,701.97/130,711.08 = 54,439.08/x - Step 3: Cross multiply
94,701.97x = 130,711.08 × 54,439.08 - Step 4: Simplify right side
94,701.97x = 7,115,790,668.81 - Step 5: Solve for x
x = 7,115,790,668.81/94,701.97 - Step 6: Final answer
x = 75,138.79
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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.