Finding the Fourth Proportional to 75,112.73, 103,648.37 and 44,892.03
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Solution
The fourth proportional to 75,112.73, 103,648.37 and 44,892.03 is: 61,946.70
Step by Step Solution
- Step 1: Write the proportion equation
75,112.73 : 103,648.37 = 44,892.03 : x - Step 2: Convert to fraction form
75,112.73/103,648.37 = 44,892.03/x - Step 3: Cross multiply
75,112.73x = 103,648.37 × 44,892.03 - Step 4: Simplify right side
75,112.73x = 4,652,985,511.03 - Step 5: Solve for x
x = 4,652,985,511.03/75,112.73 - Step 6: Final answer
x = 61,946.70
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1.5x scale
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.