Finding the Fourth Proportional to 127,948.52, 176,568.92 and 71,358.68
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Solution
The fourth proportional to 127,948.52, 176,568.92 and 71,358.68 is: 98,474.96
Step by Step Solution
- Step 1: Write the proportion equation
127,948.52 : 176,568.92 = 71,358.68 : x - Step 2: Convert to fraction form
127,948.52/176,568.92 = 71,358.68/x - Step 3: Cross multiply
127,948.52x = 176,568.92 × 71,358.68 - Step 4: Simplify right side
127,948.52x = 12,599,725,060.23 - Step 5: Solve for x
x = 12,599,725,060.23/127,948.52 - Step 6: Final answer
x = 98,474.96
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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.