Finding the Fourth Proportional to 87,772.01, 121,126.24 and 47,486.63
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Solution
The fourth proportional to 87,772.01, 121,126.24 and 47,486.63 is: 65,532.02
Step by Step Solution
- Step 1: Write the proportion equation
87,772.01 : 121,126.24 = 47,486.63 : x - Step 2: Convert to fraction form
87,772.01/121,126.24 = 47,486.63/x - Step 3: Cross multiply
87,772.01x = 121,126.24 × 47,486.63 - Step 4: Simplify right side
87,772.01x = 5,751,876,942.17 - Step 5: Solve for x
x = 5,751,876,942.17/87,772.01 - Step 6: Final answer
x = 65,532.02
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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.