Finding the Fourth Proportional to 88,478.56, 132,639.48 and 63,455.68
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Solution
The fourth proportional to 88,478.56, 132,639.48 and 63,455.68 is: 95,127.32
Step by Step Solution
- Step 1: Write the proportion equation
88,478.56 : 132,639.48 = 63,455.68 : x - Step 2: Convert to fraction form
88,478.56/132,639.48 = 63,455.68/x - Step 3: Cross multiply
88,478.56x = 132,639.48 × 63,455.68 - Step 4: Simplify right side
88,478.56x = 8,416,728,398.25 - Step 5: Solve for x
x = 8,416,728,398.25/88,478.56 - Step 6: Final answer
x = 95,127.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.