Finding the Fourth Proportional to 107,628.26, 161,440.77 and 48,422.12
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Solution
The fourth proportional to 107,628.26, 161,440.77 and 48,422.12 is: 72,632.45
Step by Step Solution
- Step 1: Write the proportion equation
107,628.26 : 161,440.77 = 48,422.12 : x - Step 2: Convert to fraction form
107,628.26/161,440.77 = 48,422.12/x - Step 3: Cross multiply
107,628.26x = 161,440.77 × 48,422.12 - Step 4: Simplify right side
107,628.26x = 7,817,304,337.83 - Step 5: Solve for x
x = 7,817,304,337.83/107,628.26 - Step 6: Final answer
x = 72,632.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.