Finding the Fourth Proportional to 68,393.71, 102,626.67 and 48,531.55
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Solution
The fourth proportional to 68,393.71, 102,626.67 and 48,531.55 is: 72,822.94
Step by Step Solution
- Step 1: Write the proportion equation
68,393.71 : 102,626.67 = 48,531.55 : x - Step 2: Convert to fraction form
68,393.71/102,626.67 = 48,531.55/x - Step 3: Cross multiply
68,393.71x = 102,626.67 × 48,531.55 - Step 4: Simplify right side
68,393.71x = 4,980,630,853.31 - Step 5: Solve for x
x = 4,980,630,853.31/68,393.71 - Step 6: Final answer
x = 72,822.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.