Finding the Fourth Proportional to 74,122.60, 111,201.60 and 24,202.79
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Solution
The fourth proportional to 74,122.60, 111,201.60 and 24,202.79 is: 36,309.96
Step by Step Solution
- Step 1: Write the proportion equation
74,122.60 : 111,201.60 = 24,202.79 : x - Step 2: Convert to fraction form
74,122.60/111,201.60 = 24,202.79/x - Step 3: Cross multiply
74,122.60x = 111,201.60 × 24,202.79 - Step 4: Simplify right side
74,122.60x = 2,691,388,972.46 - Step 5: Solve for x
x = 2,691,388,972.46/74,122.60 - Step 6: Final answer
x = 36,309.96
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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.