Finding the Fourth Proportional to 86,526.06, 119,405.97 and 48,800.31
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Solution
The fourth proportional to 86,526.06, 119,405.97 and 48,800.31 is: 67,344.43
Step by Step Solution
- Step 1: Write the proportion equation
86,526.06 : 119,405.97 = 48,800.31 : x - Step 2: Convert to fraction form
86,526.06/119,405.97 = 48,800.31/x - Step 3: Cross multiply
86,526.06x = 119,405.97 × 48,800.31 - Step 4: Simplify right side
86,526.06x = 5,827,048,351.85 - Step 5: Solve for x
x = 5,827,048,351.85/86,526.06 - Step 6: Final answer
x = 67,344.43
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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.