Finding the Fourth Proportional to 77,862.40, 116,734.68 and 32,897.68
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Solution
The fourth proportional to 77,862.40, 116,734.68 and 32,897.68 is: 49,321.63
Step by Step Solution
- Step 1: Write the proportion equation
77,862.40 : 116,734.68 = 32,897.68 : x - Step 2: Convert to fraction form
77,862.40/116,734.68 = 32,897.68/x - Step 3: Cross multiply
77,862.40x = 116,734.68 × 32,897.68 - Step 4: Simplify right side
77,862.40x = 3,840,300,147.54 - Step 5: Solve for x
x = 3,840,300,147.54/77,862.40 - Step 6: Final answer
x = 49,321.63
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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.