Finding the Fourth Proportional to 86,808.76, 130,177.50 and 27,628.54
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Solution
The fourth proportional to 86,808.76, 130,177.50 and 27,628.54 is: 41,431.47
Step by Step Solution
- Step 1: Write the proportion equation
86,808.76 : 130,177.50 = 27,628.54 : x - Step 2: Convert to fraction form
86,808.76/130,177.50 = 27,628.54/x - Step 3: Cross multiply
86,808.76x = 130,177.50 × 27,628.54 - Step 4: Simplify right side
86,808.76x = 3,596,614,265.85 - Step 5: Solve for x
x = 3,596,614,265.85/86,808.76 - Step 6: Final answer
x = 41,431.47
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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.