Finding the Fourth Proportional to 75,034.10, 112,509.59 and 30,691.99
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Solution
The fourth proportional to 75,034.10, 112,509.59 and 30,691.99 is: 46,020.98
Step by Step Solution
- Step 1: Write the proportion equation
75,034.10 : 112,509.59 = 30,691.99 : x - Step 2: Convert to fraction form
75,034.10/112,509.59 = 30,691.99/x - Step 3: Cross multiply
75,034.10x = 112,509.59 × 30,691.99 - Step 4: Simplify right side
75,034.10x = 3,453,142,648.64 - Step 5: Solve for x
x = 3,453,142,648.64/75,034.10 - Step 6: Final answer
x = 46,020.98
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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.