Finding the Fourth Proportional to 75,857.58, 104,649.57 and 45,625.14
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Solution
The fourth proportional to 75,857.58, 104,649.57 and 45,625.14 is: 62,942.31
Step by Step Solution
- Step 1: Write the proportion equation
75,857.58 : 104,649.57 = 45,625.14 : x - Step 2: Convert to fraction form
75,857.58/104,649.57 = 45,625.14/x - Step 3: Cross multiply
75,857.58x = 104,649.57 × 45,625.14 - Step 4: Simplify right side
75,857.58x = 4,774,651,282.19 - Step 5: Solve for x
x = 4,774,651,282.19/75,857.58 - Step 6: Final answer
x = 62,942.31
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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.