Finding the Fourth Proportional to 88,160.16, 121,658.64 and 47,872.08
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Solution
The fourth proportional to 88,160.16, 121,658.64 and 47,872.08 is: 66,062.18
Step by Step Solution
- Step 1: Write the proportion equation
88,160.16 : 121,658.64 = 47,872.08 : x - Step 2: Convert to fraction form
88,160.16/121,658.64 = 47,872.08/x - Step 3: Cross multiply
88,160.16x = 121,658.64 × 47,872.08 - Step 4: Simplify right side
88,160.16x = 5,824,052,146.77 - Step 5: Solve for x
x = 5,824,052,146.77/88,160.16 - Step 6: Final answer
x = 66,062.18
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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.