Finding the Fourth Proportional to 88,750.08, 133,212.60 and 53,758.08
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Solution
The fourth proportional to 88,750.08, 133,212.60 and 53,758.08 is: 80,690.11
Step by Step Solution
- Step 1: Write the proportion equation
88,750.08 : 133,212.60 = 53,758.08 : x - Step 2: Convert to fraction form
88,750.08/133,212.60 = 53,758.08/x - Step 3: Cross multiply
88,750.08x = 133,212.60 × 53,758.08 - Step 4: Simplify right side
88,750.08x = 7,161,253,607.81 - Step 5: Solve for x
x = 7,161,253,607.81/88,750.08 - Step 6: Final answer
x = 80,690.11
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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.