Finding the Fourth Proportional to 84,682.94, 126,966.62 and 40,314.17
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Solution
The fourth proportional to 84,682.94, 126,966.62 and 40,314.17 is: 60,443.75
Step by Step Solution
- Step 1: Write the proportion equation
84,682.94 : 126,966.62 = 40,314.17 : x - Step 2: Convert to fraction form
84,682.94/126,966.62 = 40,314.17/x - Step 3: Cross multiply
84,682.94x = 126,966.62 × 40,314.17 - Step 4: Simplify right side
84,682.94x = 5,118,554,321.21 - Step 5: Solve for x
x = 5,118,554,321.21/84,682.94 - Step 6: Final answer
x = 60,443.75
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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.