Finding the Fourth Proportional to 77,324.19, 115,903.36 and 50,660.10
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Solution
The fourth proportional to 77,324.19, 115,903.36 and 50,660.10 is: 75,935.83
Step by Step Solution
- Step 1: Write the proportion equation
77,324.19 : 115,903.36 = 50,660.10 : x - Step 2: Convert to fraction form
77,324.19/115,903.36 = 50,660.10/x - Step 3: Cross multiply
77,324.19x = 115,903.36 × 50,660.10 - Step 4: Simplify right side
77,324.19x = 5,871,676,305.90 - Step 5: Solve for x
x = 5,871,676,305.90/77,324.19 - Step 6: Final answer
x = 75,935.83
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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.