Finding the Fourth Proportional to 88,478.64, 132,772.50 and 35,888.58
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Solution
The fourth proportional to 88,478.64, 132,772.50 and 35,888.58 is: 53,854.99
Step by Step Solution
- Step 1: Write the proportion equation
88,478.64 : 132,772.50 = 35,888.58 : x - Step 2: Convert to fraction form
88,478.64/132,772.50 = 35,888.58/x - Step 3: Cross multiply
88,478.64x = 132,772.50 × 35,888.58 - Step 4: Simplify right side
88,478.64x = 4,765,016,488.05 - Step 5: Solve for x
x = 4,765,016,488.05/88,478.64 - Step 6: Final answer
x = 53,854.99
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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.