Finding the Fourth Proportional to 75,020.29, 103,554.08 and 43,201.87
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Solution
The fourth proportional to 75,020.29, 103,554.08 and 43,201.87 is: 59,633.60
Step by Step Solution
- Step 1: Write the proportion equation
75,020.29 : 103,554.08 = 43,201.87 : x - Step 2: Convert to fraction form
75,020.29/103,554.08 = 43,201.87/x - Step 3: Cross multiply
75,020.29x = 103,554.08 × 43,201.87 - Step 4: Simplify right side
75,020.29x = 4,473,729,902.13 - Step 5: Solve for x
x = 4,473,729,902.13/75,020.29 - Step 6: Final answer
x = 59,633.60
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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.