Finding the Fourth Proportional to 113,828.13, 157,083.42 and 63,527.13
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Solution
The fourth proportional to 113,828.13, 157,083.42 and 63,527.13 is: 87,667.77
Step by Step Solution
- Step 1: Write the proportion equation
113,828.13 : 157,083.42 = 63,527.13 : x - Step 2: Convert to fraction form
113,828.13/157,083.42 = 63,527.13/x - Step 3: Cross multiply
113,828.13x = 157,083.42 × 63,527.13 - Step 4: Simplify right side
113,828.13x = 9,979,058,843.18 - Step 5: Solve for x
x = 9,979,058,843.18/113,828.13 - Step 6: Final answer
x = 87,667.77
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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.