Finding the Fourth Proportional to 84,170.17, 116,656.48 and 82,595.53
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Solution
The fourth proportional to 84,170.17, 116,656.48 and 82,595.53 is: 114,474.09
Step by Step Solution
- Step 1: Write the proportion equation
84,170.17 : 116,656.48 = 82,595.53 : x - Step 2: Convert to fraction form
84,170.17/116,656.48 = 82,595.53/x - Step 3: Cross multiply
84,170.17x = 116,656.48 × 82,595.53 - Step 4: Simplify right side
84,170.17x = 9,635,303,793.53 - Step 5: Solve for x
x = 9,635,303,793.53/84,170.17 - Step 6: Final answer
x = 114,474.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.