Finding the Fourth Proportional to 88,937.10, 122,728.62 and 48,643.02
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Solution
The fourth proportional to 88,937.10, 122,728.62 and 48,643.02 is: 67,124.86
Step by Step Solution
- Step 1: Write the proportion equation
88,937.10 : 122,728.62 = 48,643.02 : x - Step 2: Convert to fraction form
88,937.10/122,728.62 = 48,643.02/x - Step 3: Cross multiply
88,937.10x = 122,728.62 × 48,643.02 - Step 4: Simplify right side
88,937.10x = 5,969,890,717.23 - Step 5: Solve for x
x = 5,969,890,717.23/88,937.10 - Step 6: Final answer
x = 67,124.86
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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.