Finding the Fourth Proportional to 88,274.52, 121,819.41 and 47,988.63
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Solution
The fourth proportional to 88,274.52, 121,819.41 and 47,988.63 is: 66,224.62
Step by Step Solution
- Step 1: Write the proportion equation
88,274.52 : 121,819.41 = 47,988.63 : x - Step 2: Convert to fraction form
88,274.52/121,819.41 = 47,988.63/x - Step 3: Cross multiply
88,274.52x = 121,819.41 × 47,988.63 - Step 4: Simplify right side
88,274.52x = 5,845,946,593.31 - Step 5: Solve for x
x = 5,845,946,593.31/88,274.52 - Step 6: Final answer
x = 66,224.62
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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.