Finding the Fourth Proportional to 83,696.09, 115,501.41 and 45,455.99
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Solution
The fourth proportional to 83,696.09, 115,501.41 and 45,455.99 is: 62,729.70
Step by Step Solution
- Step 1: Write the proportion equation
83,696.09 : 115,501.41 = 45,455.99 : x - Step 2: Convert to fraction form
83,696.09/115,501.41 = 45,455.99/x - Step 3: Cross multiply
83,696.09x = 115,501.41 × 45,455.99 - Step 4: Simplify right side
83,696.09x = 5,250,230,360.44 - Step 5: Solve for x
x = 5,250,230,360.44/83,696.09 - Step 6: Final answer
x = 62,729.70
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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.