Finding the Fourth Proportional to 76,529.19, 114,794.95 and 29,146.91
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Solution
The fourth proportional to 76,529.19, 114,794.95 and 29,146.91 is: 43,720.81
Step by Step Solution
- Step 1: Write the proportion equation
76,529.19 : 114,794.95 = 29,146.91 : x - Step 2: Convert to fraction form
76,529.19/114,794.95 = 29,146.91/x - Step 3: Cross multiply
76,529.19x = 114,794.95 × 29,146.91 - Step 4: Simplify right side
76,529.19x = 3,345,918,129.63 - Step 5: Solve for x
x = 3,345,918,129.63/76,529.19 - Step 6: Final answer
x = 43,720.81
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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.