Finding the Fourth Proportional to 75,649.08, 104,394.86 and 41,656.80
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Solution
The fourth proportional to 75,649.08, 104,394.86 and 41,656.80 is: 57,485.90
Step by Step Solution
- Step 1: Write the proportion equation
75,649.08 : 104,394.86 = 41,656.80 : x - Step 2: Convert to fraction form
75,649.08/104,394.86 = 41,656.80/x - Step 3: Cross multiply
75,649.08x = 104,394.86 × 41,656.80 - Step 4: Simplify right side
75,649.08x = 4,348,755,804.05 - Step 5: Solve for x
x = 4,348,755,804.05/75,649.08 - Step 6: Final answer
x = 57,485.90
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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.