Finding the Fourth Proportional to 88,844.40, 133,093.80 and 53,679.60
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Solution
The fourth proportional to 88,844.40, 133,093.80 and 53,679.60 is: 80,414.99
Step by Step Solution
- Step 1: Write the proportion equation
88,844.40 : 133,093.80 = 53,679.60 : x - Step 2: Convert to fraction form
88,844.40/133,093.80 = 53,679.60/x - Step 3: Cross multiply
88,844.40x = 133,093.80 × 53,679.60 - Step 4: Simplify right side
88,844.40x = 7,144,421,946.48 - Step 5: Solve for x
x = 7,144,421,946.48/88,844.40 - Step 6: Final answer
x = 80,414.99
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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.