Finding the Fourth Proportional to 84,798.09, 117,072.14 and 53,010.05
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Solution
The fourth proportional to 84,798.09, 117,072.14 and 53,010.05 is: 73,185.60
Step by Step Solution
- Step 1: Write the proportion equation
84,798.09 : 117,072.14 = 53,010.05 : x - Step 2: Convert to fraction form
84,798.09/117,072.14 = 53,010.05/x - Step 3: Cross multiply
84,798.09x = 117,072.14 × 53,010.05 - Step 4: Simplify right side
84,798.09x = 6,205,999,144.60 - Step 5: Solve for x
x = 6,205,999,144.60/84,798.09 - Step 6: Final answer
x = 73,185.60
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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.