Finding the Fourth Proportional to 127,627.70, 176,130.33 and 70,273.09
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Solution
The fourth proportional to 127,627.70, 176,130.33 and 70,273.09 is: 96,979.12
Step by Step Solution
- Step 1: Write the proportion equation
127,627.70 : 176,130.33 = 70,273.09 : x - Step 2: Convert to fraction form
127,627.70/176,130.33 = 70,273.09/x - Step 3: Cross multiply
127,627.70x = 176,130.33 × 70,273.09 - Step 4: Simplify right side
127,627.70x = 12,377,221,651.17 - Step 5: Solve for x
x = 12,377,221,651.17/127,627.70 - Step 6: Final answer
x = 96,979.12
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1.5x scale
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.