Finding the Fourth Proportional to 75,005.37, 112,512.16 and 22,418.95
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Solution
The fourth proportional to 75,005.37, 112,512.16 and 22,418.95 is: 33,629.66
Step by Step Solution
- Step 1: Write the proportion equation
75,005.37 : 112,512.16 = 22,418.95 : x - Step 2: Convert to fraction form
75,005.37/112,512.16 = 22,418.95/x - Step 3: Cross multiply
75,005.37x = 112,512.16 × 22,418.95 - Step 4: Simplify right side
75,005.37x = 2,522,404,826.63 - Step 5: Solve for x
x = 2,522,404,826.63/75,005.37 - Step 6: Final answer
x = 33,629.66
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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.