Finding the Fourth Proportional to 84,177.14, 116,170.16 and 48,381.44
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Solution
The fourth proportional to 84,177.14, 116,170.16 and 48,381.44 is: 66,769.66
Step by Step Solution
- Step 1: Write the proportion equation
84,177.14 : 116,170.16 = 48,381.44 : x - Step 2: Convert to fraction form
84,177.14/116,170.16 = 48,381.44/x - Step 3: Cross multiply
84,177.14x = 116,170.16 × 48,381.44 - Step 4: Simplify right side
84,177.14x = 5,620,478,803.07 - Step 5: Solve for x
x = 5,620,478,803.07/84,177.14 - Step 6: Final answer
x = 66,769.66
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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.