Finding the Fourth Proportional to 84,037.69, 126,043.98 and 27,916.84
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Solution
The fourth proportional to 84,037.69, 126,043.98 and 27,916.84 is: 41,871.09
Step by Step Solution
- Step 1: Write the proportion equation
84,037.69 : 126,043.98 = 27,916.84 : x - Step 2: Convert to fraction form
84,037.69/126,043.98 = 27,916.84/x - Step 3: Cross multiply
84,037.69x = 126,043.98 × 27,916.84 - Step 4: Simplify right side
84,037.69x = 3,518,749,622.62 - Step 5: Solve for x
x = 3,518,749,622.62/84,037.69 - Step 6: Final answer
x = 41,871.09
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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.