Finding the Fourth Proportional to 102,306.76, 141,183.75 and 59,857.09
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Solution
The fourth proportional to 102,306.76, 141,183.75 and 59,857.09 is: 82,603.03
Step by Step Solution
- Step 1: Write the proportion equation
102,306.76 : 141,183.75 = 59,857.09 : x - Step 2: Convert to fraction form
102,306.76/141,183.75 = 59,857.09/x - Step 3: Cross multiply
102,306.76x = 141,183.75 × 59,857.09 - Step 4: Simplify right side
102,306.76x = 8,450,848,430.29 - Step 5: Solve for x
x = 8,450,848,430.29/102,306.76 - Step 6: Final answer
x = 82,603.03
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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.