Finding the Fourth Proportional to 75,255.95, 112,898.79 and 27,871.49
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Solution
The fourth proportional to 75,255.95, 112,898.79 and 27,871.49 is: 41,812.74
Step by Step Solution
- Step 1: Write the proportion equation
75,255.95 : 112,898.79 = 27,871.49 : x - Step 2: Convert to fraction form
75,255.95/112,898.79 = 27,871.49/x - Step 3: Cross multiply
75,255.95x = 112,898.79 × 27,871.49 - Step 4: Simplify right side
75,255.95x = 3,146,656,932.00 - Step 5: Solve for x
x = 3,146,656,932.00/75,255.95 - Step 6: Final answer
x = 41,812.74
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1.5x scale
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.