Finding the Fourth Proportional to 88,177.98, 121,685.58 and 47,891.82
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Solution
The fourth proportional to 88,177.98, 121,685.58 and 47,891.82 is: 66,090.69
Step by Step Solution
- Step 1: Write the proportion equation
88,177.98 : 121,685.58 = 47,891.82 : x - Step 2: Convert to fraction form
88,177.98/121,685.58 = 47,891.82/x - Step 3: Cross multiply
88,177.98x = 121,685.58 × 47,891.82 - Step 4: Simplify right side
88,177.98x = 5,827,743,893.96 - Step 5: Solve for x
x = 5,827,743,893.96/88,177.98 - Step 6: Final answer
x = 66,090.69
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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.