Finding the Fourth Proportional to 83,671.13, 115,472.33 and 51,846.23
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Solution
The fourth proportional to 83,671.13, 115,472.33 and 51,846.23 is: 71,551.62
Step by Step Solution
- Step 1: Write the proportion equation
83,671.13 : 115,472.33 = 51,846.23 : x - Step 2: Convert to fraction form
83,671.13/115,472.33 = 51,846.23/x - Step 3: Cross multiply
83,671.13x = 115,472.33 × 51,846.23 - Step 4: Simplify right side
83,671.13x = 5,986,804,143.22 - Step 5: Solve for x
x = 5,986,804,143.22/83,671.13 - Step 6: Final answer
x = 71,551.62
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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.