Finding the Fourth Proportional to 71,514.09, 107,283.51 and 29,417.31
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Solution
The fourth proportional to 71,514.09, 107,283.51 and 29,417.31 is: 44,131.06
Step by Step Solution
- Step 1: Write the proportion equation
71,514.09 : 107,283.51 = 29,417.31 : x - Step 2: Convert to fraction form
71,514.09/107,283.51 = 29,417.31/x - Step 3: Cross multiply
71,514.09x = 107,283.51 × 29,417.31 - Step 4: Simplify right side
71,514.09x = 3,155,992,271.56 - Step 5: Solve for x
x = 3,155,992,271.56/71,514.09 - Step 6: Final answer
x = 44,131.06
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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.