Finding the Fourth Proportional to 88,609.68, 132,848.82 and 53,541.09
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Solution
The fourth proportional to 88,609.68, 132,848.82 and 53,541.09 is: 80,271.94
Step by Step Solution
- Step 1: Write the proportion equation
88,609.68 : 132,848.82 = 53,541.09 : x - Step 2: Convert to fraction form
88,609.68/132,848.82 = 53,541.09/x - Step 3: Cross multiply
88,609.68x = 132,848.82 × 53,541.09 - Step 4: Simplify right side
88,609.68x = 7,112,870,628.01 - Step 5: Solve for x
x = 7,112,870,628.01/88,609.68 - Step 6: Final answer
x = 80,271.94
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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.