Finding the Fourth Proportional to 97,133.38, 145,708.27 and 27,012.69
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Solution
The fourth proportional to 97,133.38, 145,708.27 and 27,012.69 is: 40,521.32
Step by Step Solution
- Step 1: Write the proportion equation
97,133.38 : 145,708.27 = 27,012.69 : x - Step 2: Convert to fraction form
97,133.38/145,708.27 = 27,012.69/x - Step 3: Cross multiply
97,133.38x = 145,708.27 × 27,012.69 - Step 4: Simplify right side
97,133.38x = 3,935,972,260.41 - Step 5: Solve for x
x = 3,935,972,260.41/97,133.38 - Step 6: Final answer
x = 40,521.32
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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.