Finding the Fourth Proportional to 76,353.84, 105,415.56 and 50,896.08
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Solution
The fourth proportional to 76,353.84, 105,415.56 and 50,896.08 is: 70,268.09
Step by Step Solution
- Step 1: Write the proportion equation
76,353.84 : 105,415.56 = 50,896.08 : x - Step 2: Convert to fraction form
76,353.84/105,415.56 = 50,896.08/x - Step 3: Cross multiply
76,353.84x = 105,415.56 × 50,896.08 - Step 4: Simplify right side
76,353.84x = 5,365,238,775.00 - Step 5: Solve for x
x = 5,365,238,775.00/76,353.84 - Step 6: Final answer
x = 70,268.09
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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.