Finding the Fourth Proportional to 87,832.41, 121,267.26 and 59,194.67
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Solution
The fourth proportional to 87,832.41, 121,267.26 and 59,194.67 is: 81,728.09
Step by Step Solution
- Step 1: Write the proportion equation
87,832.41 : 121,267.26 = 59,194.67 : x - Step 2: Convert to fraction form
87,832.41/121,267.26 = 59,194.67/x - Step 3: Cross multiply
87,832.41x = 121,267.26 × 59,194.67 - Step 4: Simplify right side
87,832.41x = 7,178,374,831.17 - Step 5: Solve for x
x = 7,178,374,831.17/87,832.41 - Step 6: Final answer
x = 81,728.09
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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.