Finding the Fourth Proportional to 83,777.19, 125,684.16 and 27,615.03
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Solution
The fourth proportional to 83,777.19, 125,684.16 and 27,615.03 is: 41,428.60
Step by Step Solution
- Step 1: Write the proportion equation
83,777.19 : 125,684.16 = 27,615.03 : x - Step 2: Convert to fraction form
83,777.19/125,684.16 = 27,615.03/x - Step 3: Cross multiply
83,777.19x = 125,684.16 × 27,615.03 - Step 4: Simplify right side
83,777.19x = 3,470,771,274.05 - Step 5: Solve for x
x = 3,470,771,274.05/83,777.19 - Step 6: Final answer
x = 41,428.60
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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.