Finding the Fourth Proportional to 75,974.40, 104,850.98 and 41,989.52
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Solution
The fourth proportional to 75,974.40, 104,850.98 and 41,989.52 is: 57,949.02
Step by Step Solution
- Step 1: Write the proportion equation
75,974.40 : 104,850.98 = 41,989.52 : x - Step 2: Convert to fraction form
75,974.40/104,850.98 = 41,989.52/x - Step 3: Cross multiply
75,974.40x = 104,850.98 × 41,989.52 - Step 4: Simplify right side
75,974.40x = 4,402,642,207.13 - Step 5: Solve for x
x = 4,402,642,207.13/75,974.40 - Step 6: Final answer
x = 57,949.02
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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.