Finding the Fourth Proportional to 95,242.83, 131,408.51 and 75,036.99
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Solution
The fourth proportional to 95,242.83, 131,408.51 and 75,036.99 is: 103,530.09
Step by Step Solution
- Step 1: Write the proportion equation
95,242.83 : 131,408.51 = 75,036.99 : x - Step 2: Convert to fraction form
95,242.83/131,408.51 = 75,036.99/x - Step 3: Cross multiply
95,242.83x = 131,408.51 × 75,036.99 - Step 4: Simplify right side
95,242.83x = 9,860,498,675.60 - Step 5: Solve for x
x = 9,860,498,675.60/95,242.83 - Step 6: Final answer
x = 103,530.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.