Finding the Fourth Proportional to 97,900.92, 135,104.22 and 55,458.54
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Solution
The fourth proportional to 97,900.92, 135,104.22 and 55,458.54 is: 76,533.32
Step by Step Solution
- Step 1: Write the proportion equation
97,900.92 : 135,104.22 = 55,458.54 : x - Step 2: Convert to fraction form
97,900.92/135,104.22 = 55,458.54/x - Step 3: Cross multiply
97,900.92x = 135,104.22 × 55,458.54 - Step 4: Simplify right side
97,900.92x = 7,492,682,789.04 - Step 5: Solve for x
x = 7,492,682,789.04/97,900.92 - Step 6: Final answer
x = 76,533.32
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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.