Finding the Fourth Proportional to 76,254.51, 114,353.69 and 26,321.79
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Solution
The fourth proportional to 76,254.51, 114,353.69 and 26,321.79 is: 39,472.99
Step by Step Solution
- Step 1: Write the proportion equation
76,254.51 : 114,353.69 = 26,321.79 : x - Step 2: Convert to fraction form
76,254.51/114,353.69 = 26,321.79/x - Step 3: Cross multiply
76,254.51x = 114,353.69 × 26,321.79 - Step 4: Simplify right side
76,254.51x = 3,009,993,682.30 - Step 5: Solve for x
x = 3,009,993,682.30/76,254.51 - Step 6: Final answer
x = 39,472.99
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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.