Finding the Fourth Proportional to 88,131.18, 121,621.11 and 47,844.91
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Solution
The fourth proportional to 88,131.18, 121,621.11 and 47,844.91 is: 66,026.02
Step by Step Solution
- Step 1: Write the proportion equation
88,131.18 : 121,621.11 = 47,844.91 : x - Step 2: Convert to fraction form
88,131.18/121,621.11 = 47,844.91/x - Step 3: Cross multiply
88,131.18x = 121,621.11 × 47,844.91 - Step 4: Simplify right side
88,131.18x = 5,818,951,062.05 - Step 5: Solve for x
x = 5,818,951,062.05/88,131.18 - Step 6: Final answer
x = 66,026.02
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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.