Finding the Fourth Proportional to 76,260.52, 105,183.30 and 52,391.08
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Solution
The fourth proportional to 76,260.52, 105,183.30 and 52,391.08 is: 72,261.07
Step by Step Solution
- Step 1: Write the proportion equation
76,260.52 : 105,183.30 = 52,391.08 : x - Step 2: Convert to fraction form
76,260.52/105,183.30 = 52,391.08/x - Step 3: Cross multiply
76,260.52x = 105,183.30 × 52,391.08 - Step 4: Simplify right side
76,260.52x = 5,510,666,684.96 - Step 5: Solve for x
x = 5,510,666,684.96/76,260.52 - Step 6: Final answer
x = 72,261.07
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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.