Finding the Fourth Proportional to 87,883.26, 121,278.30 and 47,596.14
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Solution
The fourth proportional to 87,883.26, 121,278.30 and 47,596.14 is: 65,682.35
Step by Step Solution
- Step 1: Write the proportion equation
87,883.26 : 121,278.30 = 47,596.14 : x - Step 2: Convert to fraction form
87,883.26/121,278.30 = 47,596.14/x - Step 3: Cross multiply
87,883.26x = 121,278.30 × 47,596.14 - Step 4: Simplify right side
87,883.26x = 5,772,378,945.76 - Step 5: Solve for x
x = 5,772,378,945.76/87,883.26 - Step 6: Final answer
x = 65,682.35
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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.