Finding the Fourth Proportional to 84,303.79, 126,464.20 and 27,375.31
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Solution
The fourth proportional to 84,303.79, 126,464.20 and 27,375.31 is: 41,065.73
Step by Step Solution
- Step 1: Write the proportion equation
84,303.79 : 126,464.20 = 27,375.31 : x - Step 2: Convert to fraction form
84,303.79/126,464.20 = 27,375.31/x - Step 3: Cross multiply
84,303.79x = 126,464.20 × 27,375.31 - Step 4: Simplify right side
84,303.79x = 3,461,996,542.03 - Step 5: Solve for x
x = 3,461,996,542.03/84,303.79 - Step 6: Final answer
x = 41,065.73
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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.