Finding the Fourth Proportional to 75,351.94, 103,985.67 and 41,817.94
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Solution
The fourth proportional to 75,351.94, 103,985.67 and 41,817.94 is: 57,708.75
Step by Step Solution
- Step 1: Write the proportion equation
75,351.94 : 103,985.67 = 41,817.94 : x - Step 2: Convert to fraction form
75,351.94/103,985.67 = 41,817.94/x - Step 3: Cross multiply
75,351.94x = 103,985.67 × 41,817.94 - Step 4: Simplify right side
75,351.94x = 4,348,466,405.77 - Step 5: Solve for x
x = 4,348,466,405.77/75,351.94 - Step 6: Final answer
x = 57,708.75
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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.