Finding the Fourth Proportional to 73,163.10, 109,733.21 and 23,236.63
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Solution
The fourth proportional to 73,163.10, 109,733.21 and 23,236.63 is: 34,851.31
Step by Step Solution
- Step 1: Write the proportion equation
73,163.10 : 109,733.21 = 23,236.63 : x - Step 2: Convert to fraction form
73,163.10/109,733.21 = 23,236.63/x - Step 3: Cross multiply
73,163.10x = 109,733.21 × 23,236.63 - Step 4: Simplify right side
73,163.10x = 2,549,829,696.10 - Step 5: Solve for x
x = 2,549,829,696.10/73,163.10 - Step 6: Final answer
x = 34,851.31
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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.