Finding the Fourth Proportional to 117,245.93, 161,799.53 and 63,530.93
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Solution
The fourth proportional to 117,245.93, 161,799.53 and 63,530.93 is: 87,672.76
Step by Step Solution
- Step 1: Write the proportion equation
117,245.93 : 161,799.53 = 63,530.93 : x - Step 2: Convert to fraction form
117,245.93/161,799.53 = 63,530.93/x - Step 3: Cross multiply
117,245.93x = 161,799.53 × 63,530.93 - Step 4: Simplify right side
117,245.93x = 10,279,274,701.31 - Step 5: Solve for x
x = 10,279,274,701.31/117,245.93 - Step 6: Final answer
x = 87,672.76
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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.