Finding the Fourth Proportional to 97,641.38, 134,738.74 and 54,613.41
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Solution
The fourth proportional to 97,641.38, 134,738.74 and 54,613.41 is: 75,362.95
Step by Step Solution
- Step 1: Write the proportion equation
97,641.38 : 134,738.74 = 54,613.41 : x - Step 2: Convert to fraction form
97,641.38/134,738.74 = 54,613.41/x - Step 3: Cross multiply
97,641.38x = 134,738.74 × 54,613.41 - Step 4: Simplify right side
97,641.38x = 7,358,541,777.44 - Step 5: Solve for x
x = 7,358,541,777.44/97,641.38 - Step 6: Final answer
x = 75,362.95
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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.