Finding the Fourth Proportional to 40,131.04, 55,254.12 and 35,348
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Solution
The fourth proportional to 40,131.04, 55,254.12 and 35,348 is: 48,668.63
Step by Step Solution
- Step 1: Write the proportion equation
40,131.04 : 55,254.12 = 35,348 : x - Step 2: Convert to fraction form
40,131.04/55,254.12 = 35,348/x - Step 3: Cross multiply
40,131.04x = 55,254.12 × 35,348 - Step 4: Simplify right side
40,131.04x = 1,953,122,633.76 - Step 5: Solve for x
x = 1,953,122,633.76/40,131.04 - Step 6: Final answer
x = 48,668.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.