Finding the Fourth Proportional to 97,739.07, 134,865.57 and 54,716.32
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Solution
The fourth proportional to 97,739.07, 134,865.57 and 54,716.32 is: 75,500.49
Step by Step Solution
- Step 1: Write the proportion equation
97,739.07 : 134,865.57 = 54,716.32 : x - Step 2: Convert to fraction form
97,739.07/134,865.57 = 54,716.32/x - Step 3: Cross multiply
97,739.07x = 134,865.57 × 54,716.32 - Step 4: Simplify right side
97,739.07x = 7,379,347,685.10 - Step 5: Solve for x
x = 7,379,347,685.10/97,739.07 - Step 6: Final answer
x = 75,500.49
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1.5x scale
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.