Finding the Fourth Proportional to 83,436.17, 125,143.81 and 27,271.58
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Solution
The fourth proportional to 83,436.17, 125,143.81 and 27,271.58 is: 40,903.95
Step by Step Solution
- Step 1: Write the proportion equation
83,436.17 : 125,143.81 = 27,271.58 : x - Step 2: Convert to fraction form
83,436.17/125,143.81 = 27,271.58/x - Step 3: Cross multiply
83,436.17x = 125,143.81 × 27,271.58 - Step 4: Simplify right side
83,436.17x = 3,412,868,732.02 - Step 5: Solve for x
x = 3,412,868,732.02/83,436.17 - Step 6: Final answer
x = 40,903.95
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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.