Finding the Fourth Proportional to 76,873.71, 115,311.35 and 26,955.01
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Solution
The fourth proportional to 76,873.71, 115,311.35 and 26,955.01 is: 40,432.79
Step by Step Solution
- Step 1: Write the proportion equation
76,873.71 : 115,311.35 = 26,955.01 : x - Step 2: Convert to fraction form
76,873.71/115,311.35 = 26,955.01/x - Step 3: Cross multiply
76,873.71x = 115,311.35 × 26,955.01 - Step 4: Simplify right side
76,873.71x = 3,108,218,745.87 - Step 5: Solve for x
x = 3,108,218,745.87/76,873.71 - Step 6: Final answer
x = 40,432.79
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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.