Finding the Fourth Proportional to 88,101.70, 131,882.55 and 48,537.70
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Solution
The fourth proportional to 88,101.70, 131,882.55 and 48,537.70 is: 72,657.80
Step by Step Solution
- Step 1: Write the proportion equation
88,101.70 : 131,882.55 = 48,537.70 : x - Step 2: Convert to fraction form
88,101.70/131,882.55 = 48,537.70/x - Step 3: Cross multiply
88,101.70x = 131,882.55 × 48,537.70 - Step 4: Simplify right side
88,101.70x = 6,401,275,647.14 - Step 5: Solve for x
x = 6,401,275,647.14/88,101.70 - Step 6: Final answer
x = 72,657.80
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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.