Finding the Fourth Proportional to 95,038.99, 131,121.74 and 54,751.70
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Solution
The fourth proportional to 95,038.99, 131,121.74 and 54,751.70 is: 75,538.88
Step by Step Solution
- Step 1: Write the proportion equation
95,038.99 : 131,121.74 = 54,751.70 : x - Step 2: Convert to fraction form
95,038.99/131,121.74 = 54,751.70/x - Step 3: Cross multiply
95,038.99x = 131,121.74 × 54,751.70 - Step 4: Simplify right side
95,038.99x = 7,179,138,636.64 - Step 5: Solve for x
x = 7,179,138,636.64/95,038.99 - Step 6: Final answer
x = 75,538.88
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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.