Finding the Fourth Proportional to 84,717.18, 126,993.11 and 40,332.02
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Solution
The fourth proportional to 84,717.18, 126,993.11 and 40,332.02 is: 60,458.67
Step by Step Solution
- Step 1: Write the proportion equation
84,717.18 : 126,993.11 = 40,332.02 : x - Step 2: Convert to fraction form
84,717.18/126,993.11 = 40,332.02/x - Step 3: Cross multiply
84,717.18x = 126,993.11 × 40,332.02 - Step 4: Simplify right side
84,717.18x = 5,121,887,815.76 - Step 5: Solve for x
x = 5,121,887,815.76/84,717.18 - Step 6: Final answer
x = 60,458.67
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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.