Finding the Fourth Proportional to 74,027.75, 110,974.44 and 38,447.48
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Solution
The fourth proportional to 74,027.75, 110,974.44 and 38,447.48 is: 57,636.32
Step by Step Solution
- Step 1: Write the proportion equation
74,027.75 : 110,974.44 = 38,447.48 : x - Step 2: Convert to fraction form
74,027.75/110,974.44 = 38,447.48/x - Step 3: Cross multiply
74,027.75x = 110,974.44 × 38,447.48 - Step 4: Simplify right side
74,027.75x = 4,266,687,007.54 - Step 5: Solve for x
x = 4,266,687,007.54/74,027.75 - Step 6: Final answer
x = 57,636.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.