Finding the Fourth Proportional to 76,327.13, 105,209.73 and 60,168.09
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Solution
The fourth proportional to 76,327.13, 105,209.73 and 60,168.09 is: 82,936.02
Step by Step Solution
- Step 1: Write the proportion equation
76,327.13 : 105,209.73 = 60,168.09 : x - Step 2: Convert to fraction form
76,327.13/105,209.73 = 60,168.09/x - Step 3: Cross multiply
76,327.13x = 105,209.73 × 60,168.09 - Step 4: Simplify right side
76,327.13x = 6,330,268,503.52 - Step 5: Solve for x
x = 6,330,268,503.52/76,327.13 - Step 6: Final answer
x = 82,936.02
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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.