Finding the Fourth Proportional to 88,254.53, 121,791.99 and 47,968.28
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Solution
The fourth proportional to 88,254.53, 121,791.99 and 47,968.28 is: 66,196.63
Step by Step Solution
- Step 1: Write the proportion equation
88,254.53 : 121,791.99 = 47,968.28 : x - Step 2: Convert to fraction form
88,254.53/121,791.99 = 47,968.28/x - Step 3: Cross multiply
88,254.53x = 121,791.99 × 47,968.28 - Step 4: Simplify right side
88,254.53x = 5,842,152,218.12 - Step 5: Solve for x
x = 5,842,152,218.12/88,254.53 - Step 6: Final answer
x = 66,196.63
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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.