Finding the Fourth Proportional to 75,561.84, 104,268.84 and 43,732.80
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Solution
The fourth proportional to 75,561.84, 104,268.84 and 43,732.80 is: 60,347.50
Step by Step Solution
- Step 1: Write the proportion equation
75,561.84 : 104,268.84 = 43,732.80 : x - Step 2: Convert to fraction form
75,561.84/104,268.84 = 43,732.80/x - Step 3: Cross multiply
75,561.84x = 104,268.84 × 43,732.80 - Step 4: Simplify right side
75,561.84x = 4,559,968,325.95 - Step 5: Solve for x
x = 4,559,968,325.95/75,561.84 - Step 6: Final answer
x = 60,347.50
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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.