Finding the Fourth Proportional to 75,341.67, 103,945.70 and 43,053.09
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Solution
The fourth proportional to 75,341.67, 103,945.70 and 43,053.09 is: 59,398.52
Step by Step Solution
- Step 1: Write the proportion equation
75,341.67 : 103,945.70 = 43,053.09 : x - Step 2: Convert to fraction form
75,341.67/103,945.70 = 43,053.09/x - Step 3: Cross multiply
75,341.67x = 103,945.70 × 43,053.09 - Step 4: Simplify right side
75,341.67x = 4,475,183,361.95 - Step 5: Solve for x
x = 4,475,183,361.95/75,341.67 - Step 6: Final answer
x = 59,398.52
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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.