Finding the Fourth Proportional to 83,831.03, 125,735.81 and 27,657.23
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Solution
The fourth proportional to 83,831.03, 125,735.81 and 27,657.23 is: 41,482.31
Step by Step Solution
- Step 1: Write the proportion equation
83,831.03 : 125,735.81 = 27,657.23 : x - Step 2: Convert to fraction form
83,831.03/125,735.81 = 27,657.23/x - Step 3: Cross multiply
83,831.03x = 125,735.81 × 27,657.23 - Step 4: Simplify right side
83,831.03x = 3,477,504,216.41 - Step 5: Solve for x
x = 3,477,504,216.41/83,831.03 - Step 6: Final answer
x = 41,482.31
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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.