Finding the Fourth Proportional to 73,685.40, 110,536.20 and 26,948.40
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Solution
The fourth proportional to 73,685.40, 110,536.20 and 26,948.40 is: 40,425.56
Step by Step Solution
- Step 1: Write the proportion equation
73,685.40 : 110,536.20 = 26,948.40 : x - Step 2: Convert to fraction form
73,685.40/110,536.20 = 26,948.40/x - Step 3: Cross multiply
73,685.40x = 110,536.20 × 26,948.40 - Step 4: Simplify right side
73,685.40x = 2,978,773,732.08 - Step 5: Solve for x
x = 2,978,773,732.08/73,685.40 - Step 6: Final answer
x = 40,425.56
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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.