Finding the Fourth Proportional to 83,862.28, 115,729.50 and 48,052.84
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Solution
The fourth proportional to 83,862.28, 115,729.50 and 48,052.84 is: 66,312.66
Step by Step Solution
- Step 1: Write the proportion equation
83,862.28 : 115,729.50 = 48,052.84 : x - Step 2: Convert to fraction form
83,862.28/115,729.50 = 48,052.84/x - Step 3: Cross multiply
83,862.28x = 115,729.50 × 48,052.84 - Step 4: Simplify right side
83,862.28x = 5,561,131,146.78 - Step 5: Solve for x
x = 5,561,131,146.78/83,862.28 - Step 6: Final answer
x = 66,312.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.