Finding the Fourth Proportional to 76,291.70, 114,448.35 and 23,695.70
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Solution
The fourth proportional to 76,291.70, 114,448.35 and 23,695.70 is: 35,546.90
Step by Step Solution
- Step 1: Write the proportion equation
76,291.70 : 114,448.35 = 23,695.70 : x - Step 2: Convert to fraction form
76,291.70/114,448.35 = 23,695.70/x - Step 3: Cross multiply
76,291.70x = 114,448.35 × 23,695.70 - Step 4: Simplify right side
76,291.70x = 2,711,933,767.10 - Step 5: Solve for x
x = 2,711,933,767.10/76,291.70 - Step 6: Final answer
x = 35,546.90
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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.