Finding the Fourth Proportional to 75,295.38, 103,905.75 and 43,027.95
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Solution
The fourth proportional to 75,295.38, 103,905.75 and 43,027.95 is: 59,377.50
Step by Step Solution
- Step 1: Write the proportion equation
75,295.38 : 103,905.75 = 43,027.95 : x - Step 2: Convert to fraction form
75,295.38/103,905.75 = 43,027.95/x - Step 3: Cross multiply
75,295.38x = 103,905.75 × 43,027.95 - Step 4: Simplify right side
75,295.38x = 4,470,850,896.18 - Step 5: Solve for x
x = 4,470,850,896.18/75,295.38 - Step 6: Final answer
x = 59,377.50
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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.