Finding the Fourth Proportional to 86,652.95, 119,575.36 and 50,351.18
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Solution
The fourth proportional to 86,652.95, 119,575.36 and 50,351.18 is: 69,481.31
Step by Step Solution
- Step 1: Write the proportion equation
86,652.95 : 119,575.36 = 50,351.18 : x - Step 2: Convert to fraction form
86,652.95/119,575.36 = 50,351.18/x - Step 3: Cross multiply
86,652.95x = 119,575.36 × 50,351.18 - Step 4: Simplify right side
86,652.95x = 6,020,760,474.92 - Step 5: Solve for x
x = 6,020,760,474.92/86,652.95 - Step 6: Final answer
x = 69,481.31
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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.