Finding the Fourth Proportional to 84,813.09, 117,037.49 and 47,084.91
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Solution
The fourth proportional to 84,813.09, 117,037.49 and 47,084.91 is: 64,974.63
Step by Step Solution
- Step 1: Write the proportion equation
84,813.09 : 117,037.49 = 47,084.91 : x - Step 2: Convert to fraction form
84,813.09/117,037.49 = 47,084.91/x - Step 3: Cross multiply
84,813.09x = 117,037.49 × 47,084.91 - Step 4: Simplify right side
84,813.09x = 5,510,699,273.81 - Step 5: Solve for x
x = 5,510,699,273.81/84,813.09 - Step 6: Final answer
x = 64,974.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.