Finding the Fourth Proportional to 75,470.13, 104,149.35 and 41,479.20
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Solution
The fourth proportional to 75,470.13, 104,149.35 and 41,479.20 is: 57,241.61
Step by Step Solution
- Step 1: Write the proportion equation
75,470.13 : 104,149.35 = 41,479.20 : x - Step 2: Convert to fraction form
75,470.13/104,149.35 = 41,479.20/x - Step 3: Cross multiply
75,470.13x = 104,149.35 × 41,479.20 - Step 4: Simplify right side
75,470.13x = 4,320,031,718.52 - Step 5: Solve for x
x = 4,320,031,718.52/75,470.13 - Step 6: Final answer
x = 57,241.61
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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.